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You can also support me by buying one of my books, as noted in the boxes interspersed throughout the webpage or shown in the menu above.

Kepler finds a star no one can explain

3:56 pm

Observations using Kepler have uncovered a star whose light fluctuations can only be explained in two ways.

First,

If another star had passed through the unusual star’s system, it could have yanked a sea of comets inward. Provided there were enough of them, the comets could have made the dimming pattern. But that would be an extraordinary coincidence, if that happened so recently, only a few millennia before humans developed the tech to loft a telescope into space. That’s a narrow band of time, cosmically speaking.

Second? Maybe the star’s light is being blocked by a swarm of megastructures built by an alien civilization. They intend to look for radio emissions from the star in wavelengths associated with technology to see if this theory has any possibility.

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New global maps of Titan

11:23 am

Titan's North Pole

The Cassini science team has released new maps of Titan, including new maps of both poles, assembled from images taken during the 100 flybys that the spacecraft has made of the moon since it arrived in orbit around Saturn.

The scale is rough, just less than a mile at best, and there is no topographic information because the thick atmosphere allows for no strong sunlight or shadows. The images show differences in surface brightness, which does tell us where Titan’s dark methane lakes are.

This is likely the best we will get of Titan for decades, until another spacecraft is sent there.

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Genesis cover

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.

 

The print edition can be purchased at Amazon, any other book seller, or direct from my ebook publisher, ebookit. The ebook is available everywhere for $5.99 (before discount) at amazon, or direct from my ebook publisher, ebookit you don't support the big tech companies and the author gets a bigger cut much sooner.


The audiobook is also available at all these vendors, and is also free with a 30-day trial membership to Audible.
 

"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

“There are kindergarten classes with more realistic assessments of cost-benefit tradeoffs than the crowd watching this debate at the Wynn Las Vegas.”

10:58 am

Link here. The headline, noting how the Democratic Party debate revealed it to be an openly socialist party, is hardly news. The Democrats have been radically communist since 2004, when the party thought Joe Lieberman was too much a moderate for their taste. Since then, their candidates and policies have all be very hardcore left, demanding everything be controlled and run by the government.

The sad thing has been that the voting public has either been blind to this, or actually has wanted it. I don’t know which is worse.

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Putin delays first launch from Vostochny

9:16 am

During an inspection tour of Russia’s new Vostochny spaceport, Vladimir Putin announced that the first launch should be delayed from December to the spring of 2016.

“We do not need any drumbeating reports, we need high-quality results,” Putin said. “So let us agree: you finish the work related to water supply and wastewater disposal. It is necessary to prepare spaceships for launches. And be ready to carry out the first launches in 2016, somewhere in the spring.” “If you do that before Cosmonautics Day, that will be fine,” the president added.

Cosmonautics Day is the anniversary of Yuri Gagarin’s first spaceflight, April 12, so this is the new deadline Putin is setting. He doesn’t mention anything about the launch assembly building supposedly built to the wrong size.

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Conscious Choice cover

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.

 
Conscious Choice: The origins of slavery in America and why it matters today and for our future in outer space, is a riveting page-turning story that documents how slavery slowly became pervasive in the southern British colonies of North America, colonies founded by a people and culture that not only did not allow slavery but in every way were hostile to the practice.  
Conscious Choice does more however. In telling the tragic history of the Virginia colony and the rise of slavery there, Zimmerman lays out the proper path for creating healthy societies in places like the Moon and Mars.

 

“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 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.

Leaving Earth cover

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.

 

Winner of the 2003 Eugene M. Emme Award of the American Astronautical Society.

 
"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

Cassini’s last flybys of Enceladus

2:04 pm

As Cassini approaches the end of its decade-long mission at Saturn it will begin its last series of flybys of the moon Enceladus starting October 14.

Images will arrive a day or two afterward. The last two flybys will take place in late October and then in December, with the second October flyby getting closest, only 30 miles from the surface.

Beginning next year they will shift the spacecraft’s orbit so that it can get a better look at Saturn’s poles during its last two years. In that orbit flybys of the moons cannot be done.

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New weather maps of Jupiter

1:27 pm

Using the Hubble Space Telescope astronomers have compiled a new set of maps of Jupiter, showing changes in the gas giant’s bands and spots, including the Giant Red Spot.

The scientists behind the new images took pictures of Jupiter using Hubble’s Wide Field Camera 3 over a ten-hour period and have produced two maps of the entire planet from the observations. These maps make it possible to determine the speeds of Jupiter’s winds, to identify different phenomena in its atmosphere and to track changes in its most famous features.

The new images confirm that the huge storm, which has raged on Jupiter’s surface for at least three hundred years, continues to shrink, but that it may not go out without a fight. The storm, known as the Great Red Spot, is seen here swirling at the centre of the image of the planet. It has been decreasing in size at a noticeably faster rate from year to year for some time. But now, the rate of shrinkage seems to be slowing again, even though the spot is still about 240 kilometres smaller than it was in 2014.

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Judge proposes using courts to ban global warming skepticism

10:10 am

Fascists: An international judge, speaking to a gathering of international judges, proposed last week that the world’s judges use their power to make it illegal for anyone to disagree with the religion of human-caused global warming.

The conference’s keynote speaker stated the following:

“The most important thing the courts could do,” he said, was to hold a top-level “finding of fact”, to settle these “scientific disputes” once and for all: so that it could then be made illegal for any government, corporation (or presumably individual scientist) ever to question the agreed “science” again. Furthermore, he went on, once “the scientific evidence” thus has the force of binding international law, it could be used to compel all governments to make “the emissions reductions that are needed”, including the phasing out of fossil fuels, to halt global warming in its tracks.

The worst thing about this proposal is not that he made it but that his audience of judges applauded him for it. Freedom-loving people of the world should be very afraid of the future based on this one story alone.

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Solar ramp down jumps slightly

9:56 am

My original post about NOAA’s October update to its monthly tracking of the Sun’s sunspot cycle contained an incorrect graph. For reasons I do not understand, the first graph they posted did not include the data for September, thus creating for me the illusion that little had changed in September. I am now posting the correct graph here, below the fold, with annotations to give it context.

In September numbers showed a slight jump in sunspot activity, though once again nothing so significant as to change the overall trends. Moreover, the correction doesn’t change what I wrote previously in any way: the rate of decline seems to have transitioned down from the 2009 prediction (red curve) to the 2007 weak prediction (lower green curve). This doesn’t real mean much, as the sunspot number can still vary up and down considerable before we reach solar minimum in two or three years.

» Read more

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Neiman Marcus sells suborbital space tickets

9:25 am

The competition heats up: Flights on Worldview high altitude balloon will be offered through the Neiman Marcus Christmas catalog.

World View, the commercial balloon spaceflight company, has been included in the Neiman Marcus Christmas Book as one of ten elite Fantasy Gifts. The annual Christmas Book will include an exclusive World View package available only to ten Neiman Marcus customers. This package features the rare opportunity to be a part of a World View test flight with a behind-the-scenes invitation while enjoying luxurious accommodations at the Miraval Resort in Tucson, Ariz. Each package also includes a private tour of Biosphere 2 with original crew member and World View CEO, Jane Poynter, along with a ticket to be one of the first to see Earth from the company’s luxury pressurized capsule.

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Getting India’s first space telescope working

9:12 am

A moment of terror: During the first week of successful operation, there was an initial moment of terror when the engineers checking out Astrosat, India’s first space telescope, thought the spacecraft was unable to point at its target accurately.

During the first orbit, there was a difficulty in detecting this Crab Nebula as the satellite happened to pass through the South Atlantic Anomaly (SAA) region when Crab was in the field of view. SAA avoidance zone was deliberately kept wide to protect the instruments, and detectors were switched OFF in this interval during the initial days of Astrosat operation. When all the data were systematically analysed and data were selected based on the availability of Crab in the detector field of view, one could see the Crab emerging from Earth’s shadow (Fig 3).

Using the Crab Nebula as Astrosat’s first target, the check-out has been proceeding well, with full research operations expected to begin in the next few weeks.

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ULA picks Vulcan launchpads

9:48 pm

The competition heats up: ULA has picked the two launchpads it will use for its new Vulcan rocket.

United Launch Alliance’s next-generation Vulcan rocket will lift off from the company’s existing Atlas 5 launch facilities in Florida and California, according to the company’s Vulcan program manager. The launch pads at Cape Canaveral and Vandenberg Air Force Base will require modifications to accommodate the Vulcan booster, which is wider than the Atlas 5 rocket’s existing first stage, said Mark Peller, ULA’s Vulcan program manager, at the International Symposium for Personal and Commercial Spaceflight in Las Cruces, New Mexico.

This decision mainly outlines how ULA hopes to eventually reduce the number of launchpads it must maintain, and thus reduce its costs.

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Judge rules in favor of telescope protesters

9:30 pm

A Hawaiian judge has ruled that the state’s emergency order that had forbid camping on the mountain was invalid.

The state says that it will still prohibit anyone from blocking the road, but I don’t know how they will be able to do that if a large number of protesters camp on the mountain, ready to move and block any construction vehicles trying to get to the mountaintop.

I think it is time for the makers of the Thirty Meter Telescope to consider a move out of Hawaii. I believe they will never be able to get the telescope built as planned.

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Back from a weekend underground

9:22 pm

Bob Zimmerman underground

The picture on the right will explain why I have been silent posting since Friday. I have just returned with five friends from three days of caving in New Mexico, doing some wild caving plus my first visit to Carlsbad Caverns since 1992, guided by a local caver who has been helping me with my cave survey project in Arizona.

New Mexico probably has the largest concentration of truly large and spectacularly decorated caves in the entire world. I’ve caved there previously, but this was my first trip driving from Arizona. We went to two wild caves, one of which I had never visited before and a second that I had seen during my 1992 trip. The picture shows me in the latter, standing above a large clear pool near the back of the cave with some giant flowstone speleothems all around me.

The new cave contained a room dubbed Speleogasm, because every formation there, of which there are too many to count, is completely festooned with helectites and sodastraws in a mad protrusion that no geologist can as yet explain. Nor is there any way to describe it adequately or photograph it successfully. To witness it you need to go, requiring the specialized caving skills that include the techniques and equipment required to rappel and climb a 40 foot rope.

As always, the advantages of learning how to do this successfully is the reward of seeing things that few ever see. It is why engineers and scientists strive so hard to get planetary probes to distant planets. And why humans want to travel to the planets. For me, getting inside a remote and beautifully decorated cave will just have to do.

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Increase push to get Ryan to run for House Speaker

9:41 am

The push to nominate Paul Ryan (R-Wisconsin) to run for the House Speaker position has apparently accelerated.

In all this, Ryan appears uninterested in running. My guess as to why is that he right now has a far more conservative reputation than he deserves, and becoming Speaker would reveal his moderate tendencies to everyone. He does not want this. At the same time, Ryan is more conservative than John Boehner, and would be an improvement.

Update: A Washington Post story today says that Ryan is reconsidering his opposition to running for Speaker.

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Next New Shepard test flight expected before December

9:21 am

The competition heats up: Blue Origins has revealed that the next test flight of its suborbital New Shepard capsule and launch rocket will take place before the end of 2015.

They also noted that they will not be selling any tickets for suborbital flights for at least two more years, until they are satisfied that the test flights have proven the system. This is a far cry from other suborbital companies like Virgin Galactic and XCOR, who have made big promises to garner ticket sales, and have yet to deliver. Jeff Bezos’s company has instead decided to deliver first, and then sell tickets.

In the end, we shall see who wins the race to put the first tourists into space. What is certain in all this however is that Virgin Galactic has squandered the ten-year headstart it had when it started out in 2004.

In related news, Virgin Galactic says that construction of its second SpaceShipTwo ship is progressing well.

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3D image of Comet 67P/C-G

9:06 am

Do you own red-blue 3-D glasses? Get them out and go to this link. Rosetta scientists have created a 3-D image of Comet 67P/C-G, including the jets of material shooting out from its surface.

[C]reating a 3d anaglyph of dynamic events like this is notoriously difficult: often the jets are too faint or their duration is too short to find two high-quality images taken several minutes apart that are suitable to pair together to create this type of view. However, the OSIRIS team got lucky with this particular event, capturing two images separated by about two-and-a-half minutes.

The image shows a bright, collimated jet embedded in a broader emission structure. The three dimensional perspective also reveals the conical shape of the jet and that the collimated feature is emitted towards the observer.

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Russian lunar mission delayed again

9:02 am

The Russian Luna-Glob has been delayed again, partly due to embargoes imposed by the Ukraine war, and partly due to a lack of money.

The article notes that Russia’s participation in the European ExoMars project has left little resources for this lunar mission, causing delays. It also notes the possibility that the second mission in ExoMars, scheduled for 2018, might be delayed as well. (The first ExoMars mission is scheduled to launch next year.)

All-in-all, this story indicates to me that the Russians continue to have serious underlying financial and management problems throughout their society. Having lost faith in capitalism, after 20 years of not really doing it right, they have returned to a soviet-style big government top-down approach. I doubt it will solve their problems.

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Sunlight rolled the rocks on an asteroid

8:53 am

Scientists studying the rounded rocks on the surface of the asteroid 25143 Itokawa, photographed by the Japanese probe Hayabusa, have concluded that sunlight combined with the asteroid’s tiny gravity caused them move and thus erode themselves.

As sunlight bounced off the orbiting boulders, photons provided a tiny push. As they radiated back outward as heat, they triggered a recoil effect that added a gentle spin. Over time, these slowly spinning boulders bumped into each other with enough force to wear their edges into smooth surfaces.

Warning! This is only a model, and thus could very well be wrong. It is reasonable however and worth considering as a factor in studying the early formation history of asteroids.

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Another EPA wastewater spill in Colorado

10:06 pm

We’re here to help you! EPA workers have caused another wastewater spill in Colorado.

According to the Denver Post, an EPA mine crew working Thursday at the Standard Mine in the mountains near Crested Butte, triggered another spill of some 2,000 gallons of wastewater into a nearby mountain creek. Supporting Tipton’s remarks to Watchdog Arena, the Denver Post report states that the EPA had failed to release a report about the incident at the time of its writing.

Unlike the Gold King Mine, where on Aug. 5, an EPA mine crew exploring possible clean-up options, blew out a structural plug in the mine releasing over 3 million gallons of toxic waste into the Animas River, the Standard Mine is an EPA-designated superfund site, where the federal agency has been directing ongoing clean-up efforts.

According to a the Washington Times regarding this latest spill, Tipton’s spokesman, Josh Green, said that locals in the Crested Butte area confirmed the spill. Watchdog Arena spoke directly with Tipton Thursday afternoon who claimed, “They are reporting that the spill consisted of “gray water,” and was not toxic. But the definition of gray water does not preclude the presence of possible toxic substances.”

It doesn’t matter that this spill is smaller and at a superfund site. If a private landowner screwed up like this, and didn’t report it, as required by the EPA, the EPA would move in faster than the speed of light to take everything they owned and to put them in prison.

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More confirmation from Curiosity of past lakes in Gale Crater

2:25 pm

New data from Curiosity has now provided further confirmation that the deeper sedimentary layers seen in Gale Crater were likely formed far in the past by flowing water.

“Paradoxically, where there is a mountain today there was once a basin, and it was sometimes filled with water,” said John Grotzinger, the former project scientist for Mars Science Laboratory at the California Institute of Technology in Pasadena, and lead author of the new report. “We see evidence of about 250 feet (75 meters) of sedimentary fill, and based on mapping data from NASA’s Mars Reconnaissance Orbiter and images from Curiosity’s camera, it appears that the water-transported sedimentary deposition could have extended at least 500 to 650 feet (150 to 200) meters above the crater floor.”

Furthermore, the total thickness of sedimentary deposits in Gale Crater that indicate interaction with water could extend higher still, perhaps up to one-half mile (800 meters) above the crater floor.

Above 800 meters, Mount Sharp shows no evidence of hydrated strata, and that is the bulk of what forms Mount Sharp. Grotzinger suggests that perhaps this later segment of the crater’s history may have been dominated by dry, wind-driven deposits, as was once imagined for the lower part explored by Curiosity.

This was always the reason to go and climb Mount Sharp. As Curiosity heads uphill it begins to map out the geological history of Mars, first as a wet place with liquid water, then as a dry place in which the water is gone.

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Ice and blue skies on Pluto

11:59 am

New data downloaded from New Horizons has confirmed the presence of ice on the planet’s surface, as well as suggesting that the planet’s sky might actually be colored blue.

The haze particles themselves are likely gray or red, but the way they scatter blue light has gotten the attention of the New Horizons science team. “That striking blue tint tells us about the size and composition of the haze particles,” said science team researcher Carly Howett, also of SwRI. “A blue sky often results from scattering of sunlight by very small particles. On Earth, those particles are very tiny nitrogen molecules. On Pluto they appear to be larger — but still relatively small — soot-like particles we call tholins.”

Scientists believe the tholin particles form high in the atmosphere, where ultraviolet sunlight breaks apart and ionizes nitrogen and methane molecules and allows them to react with each other to form more and more complex negatively and positively charged ions. When they recombine, they form very complex macromolecules, a process first found to occur in the upper atmosphere of Saturn’s moon Titan. The more complex molecules continue to combine and grow until they become small particles; volatile gases condense and coat their surfaces with ice frost before they have time to fall through the atmosphere to the surface, where they add to Pluto’s red coloring.

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Kevin McCarthy drops out of Speaker election

10:06 am

Congressman Kevin McCarthy (R-California) has just announced that he is dropping out of the race for House Speaker.

This is a breaking story, so details remain sparse. However, McCarthy’s exit today suggests that the power of the conservatives, who just yesterday threw their backing to Daniel Webster (R-Florida), is very strong. With two of the top guys from the old Republican leadership out, things are now certainly going to change in the House. This opens up the Speaker election, making it possible for a new compromise candidate to step forward. More important, that candidate is going to have to respect the demands of the conservative wing, which forced this election.

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Army building its first operational ray gun?

9:45 am

Lockheed Martin has begun production on a laser weapon designed to be mounted to U.S. Army vehicles.

The ATHENA laser can be operated by a single person and is made up of multiple fiber laser modules, which not only allows for greater flexibility, but also lessens the chance of the weapon being knocked out by a minor malfunction, so frequent repairs aren’t required. Lockhead Martin also says that the modular design means that the laser power can be varied across an extremely wide range to suit specific mission needs. Using off-the-shelf commercial fiber laser components to keep down costs, the modules can be linked together to produce lasers of up to 120 kW.

ATHENA was tested in March when it took out a pickup truck with a sustained 30 kW burst.

While stun and disintegration ray guns seem cool in science fiction, in battle something as complex and as cutting edge as this is likely not be be very practical. New technology needs a lot of testing to make its workings robust, something that is essential in the harsh conditions of battle. To me, this sounds more like pork, government money being wasted to keep people employed.

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