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If you rather here me talk about space and the future rather than listen to President Trump give a boring and very typical state of the union speech, filled with blather, tune to The Space Show now.
Now available in hardback and paperback as well as ebook!
From the press release: In this ground-breaking new history of early America, historian Robert Zimmerman not only exposes the lie behind The New York Times 1619 Project that falsely claims slavery is central to the history of the United States, he also provides profound lessons about the nature of human societies, lessons important for Americans today as well as for all future settlers on Mars and elsewhere in space.
“Zimmerman’s ground-breaking history provides every future generation the basic framework for establishing new societies on other worlds. We would be wise to heed what he says.” —Robert Zubrin, founder of founder of the Mars Society.
All editions are available at Amazon, Barnes & Noble, and all book vendors, with the ebook priced at $5.99 before discount. All editions can also be purchased direct from the ebook publisher, ebookit, in which case you don't support the big tech companies and the author gets a bigger cut much sooner.
Autographed printed copies are also available at discount directly from the author (hardback $29.95; paperback $14.95; Shipping cost for either: $6.00). Just send an email to zimmerman @ nasw dot org.
Boeing today announced that it is partnering with startup Aerion Corp to build a 12-passenger commercial supersonic jet, dubbed the AS2.
Boeing said it would provide engineering, manufacturing and flight-test resources to bring the AS2 to market. The amount of the investment wasn’t disclosed.
The first flight for the plane — which, at about 1,000 miles per hour, will cruise 70 percent faster than today’s quickest business jets — is scheduled for 2023. Launch customer Flexjet, a fractional aircraft operator, has ordered 20 of the models. The 12-passenger aircraft has a list price of $120 million.
This isn’t the first or only private effort going on right now to develop supersonic jets for commercial travel. Another company, Boom Supersonic, has raised significant capital and already has its own orders for planes, though as far as I can tell it did not fly its initial test flights in 2018, as they had promised.
More than two months after they provided relay communications for the landing of InSight on Mars, and more than a month since any contact has been heard from them, engineers now consider the two MarCO cubesats to likely be dead.
Now well past Mars, the daring twins seem to have reached their limit. It’s been over a month since engineers have heard from MarCO, which followed NASA’s InSight to the Red Planet. At this time, the mission team considers it unlikely they’ll be heard from again.
MarCO, short for Mars Cube One, was the first interplanetary mission to use a class of mini-spacecraft called CubeSats. The MarCOs – nicknamed EVE and WALL-E, after characters from a Pixar film – served as communications relays during InSight’s landing, beaming back data at each stage of its descent to the Martian surface in near-real time, along with InSight’s first image. WALL-E sent back stunning images of Mars as well, while EVE performed some simple radio science.
All of this was achieved with experimental technology that cost a fraction of what most space missions do: $18.5 million provided by NASA’s Jet Propulsion Laboratory in Pasadena, California, which built the CubeSats.
WALL-E was last heard from on Dec. 29; EVE, on Jan. 4. Based on trajectory calculations, WALL-E is currently more than 1 million miles (1.6 million kilometers) past Mars; EVE is farther, almost 2 million miles (3.2 million kilometers) past Mars.
Their loss of contact more than a month after the November landing of InSight actually shows their incredible success. Both MarCO cubesats functions well past Mars, demonstrating that these tiny satellites can do much of the same things bigger satellites costing billions do.
On Christmas Eve 1968 three Americans became the first humans to visit another world. What they did to celebrate was unexpected and profound, and will be remembered throughout all human history. Genesis: the Story of Apollo 8, Robert Zimmerman's classic history of humanity's first journey to another world, tells that story, and it is now available as both an ebook and an audiobook, both with a foreword by Valerie Anders and a new introduction by Robert Zimmerman.
"Not simply about one mission, [Genesis] is also the history of America's quest for the moon... Zimmerman has done a masterful job of tying disparate events together into a solid account of one of America's greatest human triumphs."--San Antonio Express-News
Regular readers of this webpage will know that I am a caver, and am fascinated with the pits and caves that have so far been identified on Mars, as illustrated by an essay I wrote only last week.
Some of the cave research I have cited has being led by planetary scientist Glen Cushing of the U.S. Geological Survey. Two weeks ago Dr. Cushing sent me a slew of pictures of caves/pits that he has accumulated over the years, many of which he has not yet been able to highlight in a paper. At least two were images that I had already featured on Behind the Black, here and here.
One pit image however I had never seen. A cropped and reduced close-up is shown on the right, with the full photograph viewable by clicking on the image. In many ways this pit is reminiscent of many pits on Mars. Its northern rim appears to be an overhang several hundred feet deep that might have an underground passage continuing to the north. The southern lip is inviting in that its slope appears to be very accessible for vehicles, meaning this pit/cave might be a good location to build a first colony.
Because of that accessible southern lip, I decided to do more digging about this particular pit. I was quickly able to find the uncaptioned release of the complete image by doing a quick search through the image catalog of Mars Reconnaissance Orbiter’s (MRO) high resolution camera. That image, reduced and cropped to post here, is shown below, on the right.
» Read more
Link here. Russia has enormous problems, and I would be the last person to suggest leaving the United States to live there. Nonetheless, it is very instructive to read this article and the detailed explanation given by the father, Hal Freeman, as to why they moved.
The traditional values, the loss of which many in America are lamenting, are largely the values of the Russian culture in which I live. I do not write as someone who has been told this. I live here. The Russian Orthodox Church has a strong influence on local life. There are also active Catholic and Protestant churches in my town. The Church and State work together at a national level. For example, both want to reduce the numbers of abortions which skyrocketed during the Communist era because abortion was commonly used for birth control. The Church has made a strong commitment to help women in “crisis pregnancies.” The laws are more restrictive now about when and for what reason abortions can be performed. Watching the news here after Gov. Cuomo signed the bill in New York permitting late term abortions, I was struck by the contrast between the agony of my Christian friends’ posts on Facebook and the smiles and celebrations of the governor and legislators in New York. Abortions are still performed in Russia, but the numbers are steadily declining and no one smiles, laughs or brags about them.
I realize many in America are very glad that the American government is intervening and the understanding of “morality” has changed radically. They applaud freedoms won for gay, lesbian, trans-gender and many other Americans who have been oppressed. They have the right to rejoice: They won. The Benedict Option is one way for those on the other “side” to adapt. Many have been and are living it out. Others, like me, decided it was not in our family’s best interest to risk the future of our children to stay. After the New York decision on abortion I received an e-mail from an American Orthodox mother asking questions about moving to Russia. She realized the struggles involved in such a move. She wrote, however, “We have to move. No matter how well we are doing in home schooling and church, we cannot keep the government out of the lives of our children.”
If you wish to be an adult, it requires you to be brutally honest about life, pushing aside your emotions to rationally think about the world around you. This article places that demand upon ordinary but moral Americans, especially those living in leftist-controlled regions on the coasts and big urban cities. Are the political policies being pursued in those places going to make the future good or bad for your children? Freeman decided they would not, and for the sake of his kids he moved.
Not everyone can move, or should. Instead, I would advocate Americans look hard at these modern leftist policies and begin the fight to stop them, here and now. Our children’s future depends on it. If we do not, they will find themselves starving in a place not unlike today’s bankrupt socialist Venezuela.
There are now only 3 copies left of the now out-of-print hardback of Leaving Earth. The price for an autographed copy of this rare collector's item is now $150 (plus $5 shipping).
To get your copy while the getting is good, please send a $155 check (which includes $5 shipping) payable to Robert Zimmerman to
Behind The Black, c/o Robert Zimmerman
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Leaving Earth is also available as an inexpensive ebook!
Leaving Earth: Space Stations, Rival Superpowers, and the Quest for Interplanetary Travel, can be purchased as an ebook everywhere for only $3.99 (before discount) at amazon, Barnes & Noble, all ebook vendors, or direct from my ebook publisher, ebookit.
If you buy it from ebookit you don't support the big oppressive tech companies and I get a bigger cut much sooner.
"Leaving Earth is one of the best and certainly the most comprehensive summary of our drive into space that I have ever read. It will be invaluable to future scholars because it will tell them how the next chapter of human history opened." -- Arthur C. Clarke
Capitalism in space: According to this article from Space News, 2018 saw a continuing decline in orders for the construction of new large geosynchronous communications satellites.
Last year’s poor harvest of five commercial orders for large geostationary communications satellites proved even worse than 2017’s surprise low of just seven orders. Manufacturers continue to vie for fewer such contracts as satellite operators hold off buying new spacecraft while they wait for breakthrough advances in high-throughput technology and assess the potential of small-satellite constellations. [emphasis mine]
The highlighted text provides the explanation. The decline isn’t because the use of space for communications is going away, but because the technology is shifting from a handful of large geosynchronous satellites to many tiny low orbit constellations. What this means for the launch industry is that the smallsat rocket companies (Rocket Lab, Virgin Orbit, Vector) are in the driver’s seat, while the big rocket companies (SpaceX, Arianespace, ULA, etc) might be left holding the bag. These big rockets won’t go away either, but will become much more dependent on government contracts, either for the military or for civilian manned space.
The article provides a very detailed overview of 2018 and is definitely worth a full read.
Capitalism in space: This week Elon Musk tweeted pictures of the first static test firing of the first flight Raptor engine, to be used on SpaceX’s next generation rocket, the Super Heavy first stage and the Starship upper stage.
The billionaire entrepreneur also tweeted out several videos of the 3-second test, which took place at the company’s development facility in McGregor, Texas.
Starship is the 100-passenger stainless-steel vehicle SpaceX is building to take people and cargo to Mars and other distant destinations. Starship will launch atop a giant rocket SpaceX calls Super Heavy. Both of these vehicles will be reusable and Raptor-powered. Starship will sport seven of the new engines, and Super Heavy will use 31 Raptors to get off the ground.
A “hopper” prototype that SpaceX will use to test the Starship design on short flights within Earth’s atmosphere will have three Raptor engines. This hopper will debut soon, Musk has said — perhaps within the next month or so, if everything goes according to plan.
This engine appears to be the first built with the intention to actually fly, and is likely going to be used in that “hopper” prototype.
During necessary power cabling rearrangement in the U.S. toilet area of ISS, the astronauts needed to disconnect some plumbing, and in doing so sprung a leak.
“While demating the QD (Quick Disconnect) that supplies potable water to WHC [toilet] at the rack the crew reported a sticky QD that caused potable water to leak into the cabin,” noted L2 ISS Status Information.
“Initial troubleshooting of the QD leak did not resolve the issue and the crew ultimately remated the QD, however not before ~11 L[iters] of water was leaked. The crew was able to clean up the water using a significant number of towels, and after isolating the potable bus at the PWD [?] the crew demated the QD at the outlet.” [emphasis mine]
Isn’t it lovely how NASA uses acronyms to make everything clear? Seriously, in plain language what appears to have happened is that, in order to prepare the toilet for the future arrival of a new urine recycling unit, they needed to reroute a power cable, and to do that they needed to disconnect the toilet from its plumbing. When they did that disconnect, however, water poured out. The highlighted and very vague language above is designed to disguise what appears to have been a very dumb error that caused the leak: They forgot to shut off the water before doing this, what I think is the “potable bus at the PWD”.
The report also says “It is not believed that any significant amount of water made its way behind any of the racks during the cleanup.” This might be true, but I bet that astronauts are going to finding tiny blobs of water in all kinds of nooks and crannies for quite a while. I hope these blobs don’t cause other problems, such as mold (a constant concern on space stations), corrosion, or electrical issues.
The uncertainty of science: Distance data of more than 1,300 Cepheid variable stars gathered by the Wide-field Infrared Explorer (WISE) space telescope now suggests to astronomers that the disk of the Milky Way galaxy is warped.
Trying to determine the real shape of our galaxy is like standing in a Sydney garden and trying to determine the shape of Australia. But, for the past 50 years there have been indications that the hydrogen clouds in the Milky Way are warped. The new map shows that the warped Milky Way disc also contains young stars. It confirms that the warped spiral pattern is caused by torque from the spinning of the Milky Way’s massive inner disc of stars.
This research is good and helpful in getting us closer to a real picture of our Milky Way galaxy. However, need I say that this result carries with it a great deal of uncertainty? Or should I let my kind readers outline for me the many aspects of this research that leave me with doubts?
I think I want to do the latter. Where do you think the uncertainties are in this research? What assumptions are they making? Where is their data sparse or weak? Feel free to list them in the comments.
As I do every year during my February birthday month, I ask my readers to please consider donating to Behind the Black.
I admit that I really find it distasteful begging like this, but I really have no choice if I am to continue doing what I love. Moreover, it seems that your direct contribution is sorely needed. In the past year I have discovered that Facebook apparently does not want its users to plug my writing. Every time the number of hits from Facebook begins to rise to a large number, they are suddenly cut off, dropping instantly to zero.
If the drop was smooth and gradual, it could be argued that it is natural, the result of a short decline of interest until I post something new that sparks another wave of hits. This is not what happens. The hits rise steadily, for months, and then suddenly, they vanish, as if someone at Facebook has blocked any reference to past posts at Behind the Black. As new posts appear, however, and ordinary Facebook readers begin to see and pass them along, the hits slowly begin to rise again, until after several months they are once again suddenly cut off.
This pattern could be entirely innocent, but the track record of large corporate and liberally-dominated sites like Facebook suggests otherwise.
So, I am compelled to ask again for your help and support, either by giving either a one-time contribution or a regular subscription, as outlined in the tip jar above and to the right. Or you could consider buying one of my books, something I heartily recommend. All deal with the first half century of the history of space exploration, and all provide a clear window into why we are where we are today in this epic story.
In either case, your continuing support will make it possible for me to continue to do what I have done for the past twenty-five years, freely writing about science and culture, uninfluenced by outside pressure and able to say exactly what I think must be said, at the exact moment such words are most necessary.
An evening pause: The song is by Mike Nesmith, written long after his time with the Monkees, nicely performed by an ordinary guy in what appears to be his bedroom.
Hat tip Danae.
The bankruptcy of our modern intellectual culture, including its increasingly insane hatred of anything-Trump, might best be illustrated by this story today in the San-Antonio Express-News: First signs of border wall construction spotted at National Butterfly Center.
The full article might be behind a paywall, but let me quote from the teaser text:
A gigantic yellow earth mover arrived on National Butterfly Center land Sunday afternoon, the first sign of the beginnings of border wall construction in that protected habitat.
The steel-and-concrete levee wall is expected to slice through the center, placing 70 of the sanctuary’s 100 acres of land south of it.
Oh my! Isn’t Trump evil! This wall will prevent the illegal immigration of butterflies!
First, any sane rational person will immediately recognize that putting a wall through a butterfly sanctuary is going to do nothing to interfere with the butterflies that use that sanctuary. Butterflies are smarter than the average news reporter, and know that they can simply fly over a wall.
Second, the use of hyperbole in the article’s text reveals the reporter’s bias. The wall will “slice” through the center. And the earth mover is “gigantic” (which anyone can clearly see it is not, simply by looking at the picture at the top of the story). The writer used these absurd emotionally charged words to accentuate the disaster of this “slicing” by the “gigantic” earth mover.
Finally, the article’s timing also reveals the author’s biases. She is acting as a PR agent for Democratic congressman Henry Cuellar (D-Texas), who last week introduced amendments to the Democratic house budget bill that would have forbid any wall from being built inside or around this or other Texas border parks.
Cuellar’s proposal, however, is clearly not meant to protect the park, but to prevent the border patrol from protecting the U.S. border, as it is constitutionally required to do. It might make sense to require any border wall to skirt the southern edge of these parks in order to prevent harm to the parks, but Cuellar’s proposal specifically outlaws any wall “within, south of, or north of the National Butterfly Center,” essentially making this park a guaranteed gap in the wall which in turn could very well attract illegals in great numbers. Based on what I have seen of illegal trash in federal lands here in southern Arizona, that intrusion would do far more harm to the park than a simple wall.
Cool image time! The two images on the right, cropped, rotated, and reduced in resolution to post here, were both taken by the high resolution camera on Mars Reconnaissance Orbiter (MRO). To see the full resolution version of each, go to the 2009 and 2018 releases.
The 2009 release was a captioned release, whereby scientist Alfred McEwen of the science team provided his explanation of these strange features.
The dark branched features in the floor of Antoniadi Crater look like giant ferns, or fern casts. However, these ferns would be several miles in size and are composed of rough rocky materials.
A more likely hypothesis is that this represents a channel network that now stands in inverted relief. The channels may have been lined or filled by indurated materials, making the channel fill more resistant to erosion by the wind than surrounding materials. After probably billions of years of wind erosion the resistant channels are now relatively high-standing. The material between the branched ridges has a fracture pattern and color similar to deposits elsewhere on Mars that are known to be rich in hydrated minerals such as clays.
These strange fernlike features do not appear to be very common on Mars. In fact, I suspect that while Mars does have many inverted channels like this, the fernlike nature of these particular channels is unique on Mars. They are located on the floor of Antoniadi Crater, a large 240-mile-wide very ancient and eroded crater located in the Martian southern highlands but near the edge down to the northern lowlands.
In seeing the new 2018 image, I was immediately compelled to place it side by side with 2009 image to see if anything had changed in the ensuring near-decade. There are color differences, but I suspect these are mostly caused by different lighting conditions or post-processing differences. Still, the dark center to the crater in the upper left of both images suggests a change in the dust dunes there, with the possibility that some of the dust has been blown from the crater over time. Also, you can see two horizontal tracks cutting across the center of the 2018 image, which I would guess are dust devil tracks, with one more pronounced.
I can imagine some planetary geologists have spent the last few months, since the second image was taken, pouring over both photographs, and have might even located other interesting changes. And if they find no significant changes, that in itself is revealing, as it gives us a sense of the pace at which the Martian surfaces evolves.
The InSight science team has completed the deployment of the spacecraft’s seismometer by the placement of its protective domed shield over it.
The Wind and Thermal Shield helps protect the supersensitive instrument from being shaken by passing winds, which can add “noise” to its data. The dome’s aerodynamic shape causes the wind to press it toward the planet’s surface, ensuring it won’t flip over. A skirt made of chain mail and thermal blankets rings the bottom, allowing it to settle easily over any rocks, though there are few at InSight’s location.
The shield also helps protect the instrument from temperature changes.
With this deployment completed they will next deploy the heat flow package to the surface, where it will begin to drill its probe sixteen feet into the ground.
Tonight and tomorrow I will be doing two long radio interviews, for those interested. Tonight I will appear for an hour once again on WCCO-AM in Minnesota with Steve Thompson. Tomorrow I will do one of my regular long appearances on The Space Show with David Livingston. In the second case, I encourage my readers to call in to ask questions and raise new issues. It enlivens the show to have callers to talk to.
An evening pause: Note that the song asks the typical leftist questions about the poor people in the world and how to help them, and the song’s answer is always, “Fly like an eagle, to be free,” which to me means only one thing: It is freedom and the American Dream that always provides the best solution.
Hat tip Tom Wilson.
Link here. This is a superb essay about the strange similarities between the motives and aims of both fundamental Christians and the modern leftist social justice warriors.
For me the heart of the essay is this quote:
The modern campus culture is a religious culture, but it’s a religion without God, and consequently it is a religion without grace. Many students would probably hear my story about growing up in conservative Evangelicalism and conclude that I have been violently oppressed. What if, though, we have more in common than they think? What if SJWism and religious fundamentalism are both expressions of a dissatisfaction with the decadence of modernity: its mindless consumerism, its divorce of virtue from culture, and its kowtowing to profit and power?
The crucial difference, of course, is that Christians and many other religious conservatives have a coherent theological narrative. Because we retain the language of sin and guilt, we have the categories necessary to confront cultural decadence with more than outrage. The militant, shame-them-out-of-existence character of much social-justice activism is a frustrated attempt to articulate truths that students indoctrinated in secularism feel intuitively but deny intellectually.
To my mind, as a secular humanist, the issue isn’t the lack of God, but the unwillingness of the leftist fundamentals of academia and the leftist social justice movement to admit to the wisdom of religious thought on the subject of right and wrong. Religions worldwide are all attempts to articulate in detail the human framework for good behavior while outlining what behaviors lead to disaster and injustice. Our modern bankrupt intellectual culture that now dominates academia has rejected those attempts, despite their depth and complex, intellectual, and very long-lived research into the subject. Thus we have a shallow fundamentalist culture in modern academia, longing for justice and righteous behavior, with little framework or knowledge to find it.
The result? Fascism, illustrated by a rising string of intolerant and shallow attacks on anyone who disagrees with them.
Hat tip to Robert W. Pratt of Pratt on Texas.
SpaceX has applied for a new launch license from the FAA for its unmanned test flight of its manned Dragion capsule that sets the launch date as no earlier than March 2nd.
This does not necessarily mean the launch is delayed until then. As noted by commenter Kirk Hilliard here at Behind the Black, “their previous license was valid through 1 March, so they may just be covering their bases here while still planning on launching under the authority of their previous license.”
Regardless, I have seen nothing to change my opinion about the cause of these delays: the NASA bureaucracy. SpaceX has been ready to do this launch since December. It has already done two successful launch rehearsals, one in which they did a successful static fire test, as is standard for the company. Both illustrate their readiness. The launch would use their leased launchpad using their launch crew. There has been no indication of any technical reason for the delays, other than a demand that SpaceX complete paperwork for NASA and the government shutdown (which has not prevented other launches from government facilities).
Russian engineers have successfully fixed the microhole that had been discovered in the fuel line of the Freget upper stage of a Soyuz rocket being prepped for an Arianespace commercial launch in French Guiana.
This quick repair suggests that the launch will not be delayed as much as first believed.
Capitalism in space: NASA has awarded ULA a $145 million contract to launch the Lucy asteroid mission on its Atlas 5 rocket.
The price is high for such a launch in today’s market, and is even higher than the cost of some recent military launches, which routinely tack on extra requirements that cause the price to rise. I wonder why. Is it because NASA doesn’t care how much it spends? Or is there a political component here, providing a contract to a company that is having trouble winning contracts in the private sector because their price is too high?
It could be that the mission requires things from the launch that add to the cost. The press release mentions that it “includes the launch service and other mission related costs” but does not specify what they are.
Scientists have developed and tested a 3D printing technique that quickly creates entire objects as a unit, rather than building them by layers.
Here’s how it works. First, the researchers use a computer-controlled digital light projector to cast a series of 2D images through a rotating vial containing a photosensitive gel. As the vial rotates, photons entering from different angles meet at selected spots in the gel. Where they meet, their combined energy solidifies the gel. Where that meetup doesn’t occur, the photons simply pass through without altering the photosensitive material.
The approach is fast, able to create complex objects, such as a centimeter-size copy of Rodin’s famous sculpture of The Thinker in just minutes, the researchers report today in Science. It can also make 3D plastic parts around existing objects, such as a plastic handle around a metallic screwdriver shaft. The approach could also be useful for encapsulating sensitive electronics, the authors write.
If you go to the supplementary material for their paper, you can watch several videos showing this process at work, creating both the Thinker as well as a ball in a cage.
I think I have reported on this process previously, but this new paper shows a significant advance. Nonetheless, this engineering here is still very preliminary.
Capitalism in space: A local homeowners association today announced its opposition to the proposed commercial spaceport in Camden County, Georgia.
Cumberland and Little Cumberland Islands have just become the first communities in America to be directly downrange from a vertical launch spaceport awaiting license approval from the FAA. More than sixty private homes lie in the path of rockets that Camden County commissioners hope someday to launch.
In the history of U.S. space flight, neither NASA nor the FAA have permitted a vertical launch over private homes or people directly downrange. The risk to people and property from an exploding rocket is too great.
If they are truly downrange from the launchpads, I would say their objection is 100% valid, and the spaceport application should be denied. And I suspect this is true, since the county had an analysis done on this subject but has refused to release it.
The United States announced today that it is withdrawing from the 1987 Intermediate-Range Nuclear Forces (INF) Treaty because of numerous and long-standing violations by Russia.
[Secretary of State Mike] Pompeo explained that Russia has been violating the treaty for years, and despite those violations, the U.S. has attempted to maintain the agreement. “To this day, Russia remains in material breach of its treaty obligations not to produce, possess, or flight test a ground-launched intermediate cruise missile system with a range between 500 and 5500 kilometers,” Pompeo explained. “We have raised Russia’s noncompliance with Russian officials, including at the highest levels of government, more than 30 times, yet Russia continues to deny that its missile system is noncompliant and violates the treaty,” Pompeo said.
Pompeo said Russia’s violation of the treaty has compromised U.S. security interests. “It’s our duty to respond appropriately,” Pompeo said. “When an agreement is so brazenly disregarded, and our security is so openly threatened, we must respond.”
The announcement comes one day ahead of the 60-day deadline the U.S. gave Russia to return to compliance with the treaty.
The treaty calls for a six month period following this announcement for the withdrawal to be completed.
Though the announcement mentions a specific “a prohibited missile system,” it does not say what that missile system is. I suspect it might be the hypersonic missile the Russians have tested and say they will deploy this year.
An evening pause: I posted the original by John Denver and Plácido Domingo back in 2011, but it is such a wonderful song it is time to revisit it.
Hat tip Danae.
Stop the presses! Expert climate scientist and former New York City mayor Michael Bloomberg has used his extensive scientific research to determine, without a doubt, that the polar vortex that is presently freezing most of the country in record cold temperatures is unequivocally the result of global warming!
“The science is clear: Climate change makes extreme weather more frequent and more intense,” tweeted Mr. Bloomberg. “Americans are seeing this first hand from wildfires to hurricanes to the #PolarVortex in the Midwest. We need a climate champion in the WH who can lead us forward.”
I always go to politicians to get my science information. Don’t you? And in doing so, I immediately dismiss other details, such as the fact that the recent wildfires in California is mostly due to bad policy in clearing brush by California and the federal government, that there is no evidence of an increase hurricanes activity, and that back in the 1970s scientists linked the polar vortex to global cooling.
None of that actual data matters. A politician has spoken, and his word is always reliable. Moreover, this is a liberal politician, whose word is even more reliable, because he cares.
Finally, and maybe most important, he did this on twitter, that icon of thoughtful analysis and deep complex thought.
We should immediately shut down all fossil fuel operations, even if it means there will be no way to heat homes across most of the country and people will freeze to death. The world is being destroyed by those fuels, and we must save it!
The uncertainty of science: Using data from Curiosity in Gale Crater on Mars, scientists have found that the material making up the lower layers of Mount Sharp is less compacted that they would have expected.
Scientists still aren’t sure how this mountain grew inside of the crater, which has been a longstanding mystery.
One idea is that sediment once filled Gale Crater and was then worn away by millions of years of wind and erosion, excavating the mountain. However, if the crater had been filled to the brim, the material on the bottom, which now makes up the crater’s surface, would have been pressed down. But the new Science paper suggests Mount Sharp’s lower layers have much less compacted than this theory predicts, reigniting the debate about how full the crater once was.
“The lower levels of Mount Sharp are surprisingly porous,” said lead author Kevin Lewis of Johns Hopkins University. “We know the bottom layers of the mountain were buried over time. That compacts them, making them denser. But this finding suggests they weren’t buried by as much material as we thought.”
I can’t help wonder whether we don’t yet really understand the influence of Mars’ lower gravity on geology, and that might explain the porosity.
Capitalism in space: Blue Origin has signed a multi-launch contract with Telesat to use its still unbuilt New Glenn rocket.
This is good news for Blue Origin, but I also guarantee that Telesat has the option to switch launch providers should New Glenn be delayed or suffer any serious issues during development.
