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Embedded below the fold in two parts.
To listen to all of John Batchelor’s podcasts, go here.
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An evening pause: The music is by John Williams. The lead violinist is space-walking Sarah Gillis, playing from the Resilience capsule in orbit right now.
Hat tip Gary.
HARMONY OF RESILIENCE: Recorded in space and sent to Earth via @SpaceX’s @Starlink constellation, Polaris Dawn crewmember and violinist @Gillis_SarahE invites you to enjoy this music moment in support of @StJude & @ElSistemaUSA → https://t.co/My8cUwAWzg pic.twitter.com/OoxTllCZNP
— Polaris (@PolarisProgram) September 13, 2024
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.
"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
The results of COVID policy decisions
for our medical community
Several stories in the past week illustrate how the medical community dug itself a deep hole with its dishonest panic and over-reaction to COVID and its response to it.
First the background from 2020: Rather than follow past very successful policies involving new epidemics, whereby only the sick and aged were quarantined while everyone else went about their normal lives, intentionally spreading the new respiratory virus to those with which it was relatively harmless so that the entire population could quickly get herd immunity and thus quickly choke the virus out, our modern medical community, in conjunction with government health officials who had political motives, chose to quarantine everyone, destroying the economy and the livelihoods of millions while actually allowing the disease time to spread to the aged and sick, killing many more than were necessary.
Numerous studies have confirmed the failure of the lockdown and mandate policies during COVID. Sweden for example essentially followed those traditional policies, never locking down or mandating masks or shots. It was blasted for that decision, with many in the health community predicting massive deaths from COVID. Instead, studies have now proven that Sweden had the lowest mortality in Europe from 2020–2022.
That’s the background. The new stories this week illustrate the consequences. First, a recent peer-reviewed study found that trust in doctors has crashed since 2020. The numbers are quite shocking:
» Read more
Click for original image.
Cool image time! The picture above, cropped to post here, was taken on September 9, 2024 by the left navigation camera on the Mars rover Perseverance, looking east and back along the route from which the rover had come.
The view is somewhat more spectacular than most Perseverance images because the rover took it during its on-going climb up unto the rim of Jezero Crater, as shown by the overview map below. The blue dot marks Perseverance’s present position, while the yellow lines indicate the area covered by the picture above, taken several days earlier.
The haze in the picture also suggests that the local dust storm first noted in late August might be clearing somewhat. This isn’t certain, however, as the previous picture was using the rover’s high resolution camera to look at distant hills (thus more obscured), while the picture above was taken by the left navigation camera looking more widely and at nearer objects.
Click for interactive map.
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 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.
The landers either at or targeting the Moon’s south pole
The company Intuitive Machines is now aiming to launch its second Nova-C lunar lander, dubbed Athena, during a January 1-5, 2025 launch window.
The landing site is indicated on the map to the right, on the rim of Shackleton crater and almost on top of the south pole. While Chang’e-7 is targeting the same crater rim, it is not scheduled for launch until 2026.
The lander will not only include a drill for studying the surface below it, it will release a small secondary payload, the Micro-Nova Hopper, which will hopefully hop down into the permanently shadowed craters nearby.
The launch will also carry a lunar orbiter, dubbed Lunar Trailblazar, which will not only do spectroscopy of the lunar surface, looking for water, it will also be used as a communications relay satellite with Athena. That orbiter, designed to demonstrate the ability to build a smallsat at low cost, was previously threatened with cancellation because its builder, Lockheed Martin, went way over budget.
Click for original image.
Using both seismological data compiled over four years by the InSight Mars lander as well tiny changes in the orbits of Martian satellites, scientists have now created a global gravity map of the red planet, indicating the regions below the surface that are either low or high density.
That map is above, annotated by me to indicate some of Mars’ major surface features.
The density map shows that the northern polar features are approximately 300-400 kg/m3 denser than their surroundings. However, the study also revealed new insights into the structures underlying the huge volcanic region of Tharsis Rise, which includes the colossal volcano, Olympus Mons.
Although volcanoes are very dense, the Tharsis area is much higher than the average surface of Mars, and is ringed by a region of comparatively weak gravity. This gravity anomaly is hard to explain by looking at differences in the martian crust and upper mantle alone. The study by Dr Root and his team suggests that a light mass around 1750 kilometres across and at a depth of 1100 kilometres is giving the entire Tharsis region a boost upwards. This could be explained by huge plume of lava, deep within the martian interior, travelling up towards the surface.
I once again note that the largest impact basin on Mars, Hellas Basin, sits almost exactly on the planet’s far side from Tharsis, and appears to have a light density. This contrast once again makes me wonder if the origin of that impact and the Tharsis Bulge are linked.
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
In another blow to the company, Boeing’s employees have gone on strike after overwhelming voting to reject a new deal their union officials had negotiated with the company that had called for a 25% salary increase across the board.
Members of the International Association of Machinists District 751, which represents about 33,000 Boeing workers in Washington state, walked off the job when their contract expired at midnight on Thursday night. Almost 95 per cent rejected the deal endorsed by their bargaining team on Sunday and 96 per cent voted to strike, easily exceeding the two-thirds majority needed to trigger a walkout.
Many of the union’s members expressed anger on social media, criticising the deal and accusing IAM leaders of settling for too little. Many had been ready to strike, partly fuelled by residual anger from a 2014 deal that eliminated defined-benefit pensions.
Boeing on Thursday said it was ready to renegotiate a deal to halt a crippling strike.
Right now Boeing’s credit rating is “one notch above junk” and if the strike isn’t settled quickly that rating could drop more. It will also prevent the company from taking any action to recover from its numerous problems that are limiting sales of its airplanes and its military and space products.
SpaceX last evening successfully placed another 21 Starlink satellites into orbit, its Falcon 9 rocket lifting off from Vandenberg in California.
The first stage completed its eighteenth flight, landing on a drone ship in the Pacific.
The leaders in the 2024 launch race:
91 SpaceX
38 China
10 Rocket Lab
10 Russia
American private enterprise now leads the rest of the world combined in successful launches 106 to 58, while SpaceX by itself leads the entire world, including American companies, 91 to 73.
An evening pause: This Russian band does a fine cover of the Lighthouse hit. It is also the third different Leonid & Friends cover that I have posted over the years, all suggested by different people (see here and here for the previous two).
Hat tip Alex Gimarc.
Like yesterday, reader Gary has stepped in to cover for BtB’s stringer Jay, who is off on a work trip this week. This post is also an open thread. I welcome my readers to post any comments or additional links relating to any space issues, even if unrelated to the links below.
I am sure this is so, but I am also sure there was little Russia could do, without requiring a lot of cash from NASA as part of the deal.
For a more sane discussion of this research, which was really only about the increased sensitivity of modern instruments, go here. That some are using it for political purposes to whack SpaceX is disgraceful.
But then, Israel has generally been a head-in-the-sand fool for more than a decade when it comes to reusability and commercial space. His insistence ten years ago that it made no financial sense to make Ariane-6 reusable resulted in that rocket being overpriced in today’s market, which is why Europe is right now pushing Arianespace and Stephen Israel out and replacing both with private commercial rocket companies competing for business. All he does here is provide proof that getting him out of the way is the best thing the European Space Agency has done in years.
Click for interactive map.
In an effort to find at least two universities in every state that are focused not on leftist and queer indoctrination but instead on free expression and open inquiry, the conservative Heritage Foundation has now put together an interactive map and guide that parents and high school students can use to choose a quality college to attend.
The image to the right is a screen capture of that map, located here. You can click on each dot to get more detailed information about why Heritage recommends or not recommends it. For example, for Thomas Aquinas College in California the guide says the following in explaining why it lists it as a “great option.”
The mission of Thomas Aquinas College (TAC) is to renew “what is best in the Western intellectual heritage and to [conduct] liberal education under the guiding light of the Catholic faith.” TAC has an impressive “A+” rating from the American Council of Trustees and Alumni. It does not have a bias response team, nor does it require diversity statements for hiring. It has an impressive 80 percent four-year graduation rate. Thomas Aquinas College also accepts the Classical Learning Test for admission.
Meanwhile, the guide says the following in giving Cornell University, Duke, Brown, Harvard, and Tufts a “not recommended” status:
» Read more
Click for original image.
Cool image time! The picture to the right, cropped, reduced, and sharpened to post here, was taken on July 9, 2024 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). It shows what the science team labels a “silica-rich mound”, as indicated by the bright streaks on all the high ridge points.
The flat-topped mesa on the right drops about 200 feet to the valley floor. The rims of that depression to the west rise about 50+ feet higher, while mesa nose in the upper left rising another 50+ feet more.
Was the depression caused by an impact? If so, the landscape has changed radically since that impact occurred, with most of the surrounding terrain eroded away. The two flat-topped mesas hint at the ancient surface when that impact occurred.
A wider view however raises questions about this impact theory.
» Read more
Click for original image.
Scientists have successfully re-created on Earth the process on Mars that creates the unique “spider” formations seen in the the Martian south pole region, produced when the winter mantle of dry ice begins to sublimate away into a gas.
The study confirms several formation processes described by what’s called the Kieffer model: Sunlight heats the soil when it shines through transparent slabs of carbon dioxide ice that built up on the Martian surface each winter. Being darker than the ice above it, the soil absorbs the heat and causes the ice closest to it to turn directly into carbon dioxide gas — without turning to liquid first — in a process called sublimation (the same process that sends clouds of “smoke” billowing up from dry ice). As the gas builds in pressure, the Martian ice cracks, allowing the gas to escape. As it seeps upward, the gas takes with it a stream of dark dust and sand from the soil that lands on the surface of the ice.
At the south pole, the ground below the mantle is stable enough that each winter the trapped CO2 gas follows the same path to the same points where the dry ice cracks, slowly creating “tributaries” that combine to form the spider formations.
The picture to the right, cropped, reduced, and sharpened to post here, comes from figure 9 of the paper [pdf]. It shows the lab-created spiders formed by this simulated process, thereby confirming this hypothesis about how the spiders form.
Link here. The plans include steady upgrades to its Vega-C rocket, including replacing the upper stage engine presently provided by a Ukrainian company with an engine built by Avio itself.
The bigger development will be a more powerful rocket, the Vega-E, to replace the Vega-C in 2027.
This version of the rocket will retain the first and second stages of the Vega C+ rocket and substitute the third and fourth stages for a single liquid fuel stage powered by the company’s new M10 methalox rocket engine.
The company is also hoping to begin test flights in 2026 of a Grasshopper-type small-scale demonstration rocket leading to the development of a reusable two-stage rocket that would eventually replace Vega-E.
NASA is now evaluating eleven different proposals from private companies to take over the agency’s canceled VIPER lunar rover.
Equipped with three scientific instruments and a drill, the rover was to be delivered to the Moon by a commercial lander, Griffin, built by Pittsburgh-based Astrobotic as part of NASA’s Commercial Lunar Payload Services (CLPS) initiative. Astrobotic and several other companies have CLPS contracts to deliver NASA science and technology experiments to the Moon. NASA pays for delivery services for its payloads. The companies are expected to find non-NASA customers to close the business case.
NASA is paying Astrobotic $323 million for landing services on top of the cost of VIPER itself. NASA’s commitment to Congress was that VIPER would cost $433.5 million with landing in 2023. By the beginning of this year, that had become $505.4 million with landing in 2024.
It appears NASA canceled the VIPER mission because the agency had doubts Astrobotic would launch Griffin on time. The rover cost overruns, plus additional costs from that launch delay, made NASA management back out.
Though NASA has not revealed any details about the new eleven proposals, we know that Astrobotic’s competitor, Intuitive Machines, is one of those proposals. How it can get it launched to the Moon for less than it would have cost to launch on Astrobotic’s Griffin however is a mystery to me.
Meanwhile, Griffin is still going to launch, with Astrobotic now able to sell that VIPER payload space to others and NASA paying for the flight.
The United Kingdom yesterday awarded a new $3 million contract to a partnership of the Japanese company Astroscale and the Swiss company Clearspace to further develop a mission to de-orbit two satellites in 2026.
The British subsidiaries of Japan-based Astroscale and Switzerland’s ClearSpace announced about 2.35 million British pounds ($3 million) each in funding before tax Sept. 11 to continue de-risking their robotic arm capture system and debris de-tumbling capabilities. The grants enable the ventures to continue working on their technologies until March, when the UK Space Agency is expected to decide which will conduct the demonstration mission.
Both consortiums passed preliminary design reviews for their mission earlier this year.
Both companies are positioning themselves as space junk removal operations, with Astroscale having already flown a partly successful mission to demonstrate rendezvous and capture technologies using its own proprietary magnetic capture system.
At a press conference yesterday officials of the Japanese company Ispace announced that they are now targeting a December 2024 launch of their second Hakuto-R lunar lander, dubbed “Resilience”, with the landing site located in the high mid-latitudes of the near-side of the Moon.
The map to the right indicates that location, inside Mare Frigoris. Atlas Crater is where Ispace attempted but failed to soft land its first lunar lander, Hakuto-R1, in April 2023.
This new lander will be launched on a Falcon 9 rocket. It carries six commercial payloads. It also appears the company decided to go for an easier landing site on this second mission. Rather than try to land inside a crater, it is targeting a very large and flat mare region, thus reducing the challenges presented to its autonomous software.
Ispace already has contracts both with NASA ($55 million) and Japan’s JAXA space agency ($80 million) for two more future landers, so a successful landing this time is critical to the company’s future.
The FAA today responded to SpaceX’s harsh criticism of the licensing process that is delaying the next test orbital launch of Starship/Superheavy, claiming the delays were entirely SpaceX’s fault for changing the flight profile of the mission, likely involving the landing of Superheavy at the launch tower rather than in the Gulf of Mexico.
The agency also claimed that this change meant that the “environmental impact” would cover a wider area, requiring imput from “other agencies.”
An FAA official reiteriated these claims at a conference yesterday, stating that the delay was “largely set by the choices that the company makes.”
All crap and utter rationalizations. The FAA has decided that any change of any kind in the launch operations will now require major review, including bringing in Fish & Wildlife, the Coast Guard, and others to have their say. This policy however has nothing to do with reality, as there is absolutely no additional threat to the environment by these changes. Nor is there any significant increase in safety risks by having Superheavy land at Boca Chica. Even if there were, the only ones qualified to determine that risk are engineers at SpaceX. The FAA is merely rubberstamping SpaceX’s conclusions, and taking its time doing so.
This is America today. Unless something changes soon, freedom is dead. To do anything new and challenging Americans will have to beg permission from bureaucrats in Washington, who know nothing but love to exert their power over everyone else. Under these circumstances, we shall see the end of a great and free nation.
SpaceX this morning successfully launched the first five operational satellites in the planned constellation by the company AST SpaceMobile’s for providing cellphone service from orbiting satellites, the Falcon 9 rocket lifting off from Cape Canaveral.
The first stage completed its thirteenth flight, landing back at Cape Canaveral.
AST’s orbital cellphone capability is in direct competition with SpaceX’s own Starlink orbital cellphone service. By launching this competitor SpaceX demonstrates that it is not using its dominance in the launch industry to squelch competition.
The leaders in the 2024 launch race:
90 SpaceX
38 China
10 Rocket Lab
10 Russia
American private enterprise now leads the rest of the world combined in successful launches 105 to 58, while SpaceX by itself leads the entire world, including American companies, 90 to 73.
Jared Isaacman during his spacewalk
Jared Isaacman and Sarah Gillis this morning each successfully completed short spacewalks outside their Resilience capsule, exiting about halfway into space but floating free except for a umbilical tether.
It was very evident that the goal of both EVAs was to check out the engineering upgrades created by SpaceX to make this spacewalk possible. Both astronauts worked very carefully to vent the capsule’s atmosphere, open the hatch, exit, then close the hatch, though Isaacman (who exited first) opened the hatch and Gillis closed the hatch. All in all it took a little less then two hours to complete both spacewalks, with Isaacman outside for about ten minutes, and Gillis for a little less.
Though the actual EVAs were relatively unambitious, they were very comparable to the first government spacewalks by America’s Ed White and Russia’s Alexei Leonov in the 1960s. The engineering data that SpaceX obtained from this spacewalk will allow it to refine its spacesuits, its capsule, and make later commercial spacewalks more complex.
This new SpaceX capability is now something the company can market to other future customers. It not only gives this American private enterprise another skill, it makes SpaceX’s commercial capabilities more valuable.
An evening pause: Hat tip Diane Zimmerman, who adds “My gym class instructors must like this song because they play it a lot.”
As BtB’s stringer Jay is on a work trip this week, reader Gary volunteered to send me some links. This post is also an open thread. I welcome my readers to post any comments or additional links relating to any space issues, even if unrelated to the links below.
The test rocket is a single engine smaller version of its Zhuque-3 orbital rocket’s first stage, and like SpaceX’s Grasshopper test vehicle, provides the engineers the test data needed to build the full scale reusable rocket. This video indicates the pseudo-company is getting close to success.
Sidus has a smallsat in orbit, and Stennis’s payload is part of it.
The tweet notes that this test was “the fastest the chopsticks have closed in the catch position on the tower so far.”
The official also said the first static fire test of New Glenn’s first stage, with all seven BE-4 engines, will happen “in the near future.”
It’s all about power and control.
Surprise, surprise! A just released report from the National Academies and paid for by NASA has concluded that the agency suffers from insufficient political and financial support, and that the agency’s recent shift to relying on private enterprise should be de-emphasized in order to grow NASA instead.
Two quotes from the report’s executive summary tells us everything we really need to know about its purpose and political goals:
NASA’s shift to milestone-based purchase-of-service contracts for first-of-a-kind, low-technology-readiness-level mission work can, if misused, erode the agency’s in-house capabilities, degrade the agency’s ability to provide creative and experienced insight and oversight of programs, and put the agency and the United States at increased risk of program failure.
In plain English, NASA’s transition to relying on the private sector for the development of rockets, spacecraft, and even planetary missions “erodes” the ability of the agency to grow. That those private companies are actually building and launching things and doing so for far less money, compared to NASA’s half century of relatively little achievement since the 1960s while spending billions, is something the report finds utterly irrelevant. If anything, that success by the private sector should recommend that NASA should shrink, not grow.
The second quote from this NASA-commissioned report underlines its effort to lobby for NASA:
» Read more
Click for original image.
The uncertainty of science: Using the JIRAM infrared camera on the Jupiter orbiter Juno, scientists have now created a global map of volcanic activity, showing where it appears the hottest and greatest activity is located.
That data is illustrated by the graphic to the right, taken from figure 1 of the paper. The top row shows the coverage of the planet, with Io’s southern hemisphere getting the fewest observations. The bottom row shows the observed regions with the greatest heat. This quote from the abstract is most revealing:
Using JIRAM, we have mapped where volcanoes are producing the most power and compared that to where we expect higher heat flow from the interior models. Our map doesn’t agree with any of these models very well. JIRAM observed more volcanic activity at the poles than we expected to see based on previous observations. However, since the south pole was only observed twice, it’s possible that these observations don’t represent the average volcanic activity of the south pole. Very bright volcanoes that may have been continuously active for decades were also imaged during these Juno fly-bys, some of which are nearer the poles than the equator.
The conflict between the data and the theories could very well be explained simply by the short term nature of these observations. The models could very well be right, over centuries. For example, the new volcano discovered by Juno is near the equator, suggesting with time those models will turn out to be correct.
Or not. A lot more observations will have to be made of Io before any model of its volcanic activity can be considered trustworthy.
Click for original image.
By comparing images taken twenty-seven years apart by the the Jupiter orbiters Galileo and Juno, scientists have discovered that during that time a new volcano appeared on the volcano-strewn Jupiter moon Io.
The two pictures to the right show the surface change on Io during those 27 years.
Analysis of the first close-up images of Io in over 25 years, captured by the JunoCam instrument on NASA’s Juno mission, reveal the emergence of a fresh volcano with multiple lava flows and volcanic deposits covering an area about 180 kilometres by 180 kilometres. The findings have been presented at the Europlanet Science Congress (EPSC) in Berlin this week.
The new volcano is located just south of Io’s equator. Although Io is covered with active volcanoes, images taken during NASA’s Galileo mission in 1997 did not see a volcano is in this particular region – just a featureless surface.
If anything, it has been somewhat surprising how little change the new Juno images have found on Io’s surface, considering its intensely active volcanic geology, with volcano plumes from eruptions captured in images repeatedly. Some volcanoes have shown change, but new features such as this new volcano have not previously been identified.
At the same time, the amount of high resolution imagery of the planet’s surface has been somewhat limited. Galileo sent back far fewer pictures than planned because its main antenna never deployed, and Juno had only a handful of close fly-bys. It will take a mission dedicated to studying Io to better map its violent surface.
Russia this morning successfully launched a new crew to ISS, its Soyuz-2 rocket lifting off from Baikonur in Kazakhstan.
With this launch there are now nineteen humans in orbit, a new record. This includes the three Chinese astronauts on China’s Tiangong-3 space station, the four astronauts on the private Polaris Dawn mission, the three astronauts on this Soyuz, and the nine astronauts on ISS (four from a Dragon launch, two from the Starliner launch, and three from a previous Soyuz launch).
The Soyuz capsule will dock with ISS this afternoon.
The leaders in the 2024 launch race:
89 SpaceX
38 China
10 Rocket Lab
10 Russia
American private enterprise still leads the rest of the world combined in successful launches 104 to 58, while SpaceX by itself leads the entire world, including American companies, 89 to 73.
At hearings yesterday before the House Science committee numerous space companies as well as elected officials heaped numerous complaints about the FAA’s regulartory framework, called Part 450, that it adopted in March 2021 supposedly to “streamline” and “speed up” the licensing required to launch.
The result has been the exact opposite, as predicted by many in the industry when the agency was writing these regulations.
Many in the launch industry have warned since the regulations went into force in March 2021 that it was difficult for companies to obtain licenses under Part 450. Industry officials raised concerns about Part 450 at an October 2023 hearing of the Senate Commerce Committee’s space subcommittee, with one witness, Bill Gerstenmaier of SpaceX, warning the “entire regulatory system is at risk of collapse” because of the difficulties getting licenses under the new regulations.
Witnesses at the House hearing made clear those concerns have not abated. “The way it is being implemented today has caused severe licensing delays, confusion and is jeopardizing our long-held leadership position,” said Dave Cavossa, president of the Commercial Spaceflight Federation, an industry group whose members include several launch companies.
He cited specific concerns such as a long “pre-application” process with the FAA where companies, he said, “get stuck in an endless back-and-forth process” with the agency to determine how they can meet the performance-based requirements of Part 450 with limited guidance. “This process is taking years,” he argued.
It first must be noted that this hearing was not called in connection with the FAA’s stonewalling of SpaceX Starship/Superheavy test program. It was called because since 2021 the entire new rocket industry in the U.S. has ground to a halt, with launches from new rocket companies practically ending because of the red tape imposed on them by Part 450. If something is not done to fix this, new companies in Europe and India will quickly grab market share, choking off profits for the new American companies.
The view from 870 miles. Click for video.
Polaris Dawn yesterday successfully climbed to an altitude of 870 miles yesterday, the farthest any human has been from Earth since the Apollo missions to the Moon, and the highest Earth orbit since Gemini 11 flew an apogee of 853 miles in 1966.
The four members of the Polaris Dawn mission, riding aboard SpaceX’s Dragon spacecraft “Resilience,” climbed into an elliptical orbit with a high point, or apogee, of 870 miles (1,400 kilometers) on Tuesday (Sep. 10). They reached the record distance about 15 hours after lifting off at 5:23 a.m. EDT (0923 GMT) from Florida earlier in the day and circling the planet about eight times in an initial orbit of 118 by 746 miles (190 by 1,200 km).
They maintained this high orbit for about ten hours in order to gather radiation data for future exploration, and then dropped down to a lower orbit where the planned spacewalk will occur on September 12th.
The routes the Voyager spacecraft have
taken since launch.
Because of an increasing number of clogged thrusters on the almost half-century old Voyager-1 spacecraft, now flying just beyond the heliosphere of the solar system, engineers needed to switch thrusters recently, and successfully did so in a complex dance of engineering.
They had to switch from one thruster, in which a fuel line has become increasingly clogged in the last few years due to age, to an another thruster in a different system. The switch however required other careful preparations, since Voyager-1’s nuclear power supply has dropped to a point where they have been forced to shut down almost all operations. Thus, the thrusters are not getting heated as they once were, and turning on the replacement thruster in this condition could damage it.
» Read more
Embedded below the fold in two parts.
To listen to all of John Batchelor’s podcasts, go here.
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