Engineers successful complete simulation of Hubble repair

Though the details released are sparse, engineers working to get the Hubble Space Telescope back in operation since it shut down due to a computer problem in mid-June report today that they have successfully completed a simulation of the procedures they need to do to fix the problem.

This is their entire report:

[The engineers] successfully completed a test of procedures that would be used to switch to backup hardware on Hubble in response to the payload computer problem. This switch could occur next week after further preparations and reviews.

Apparently, because the switch to backup hardware requires switching more than one unit, the sequence is important and following it correctly is critical. It appears they have now determined the correct sequence and will attempt it on Hubble next week.

0 comments

Today’s blacklisted American: Facebook to punish users who link to peer-reviewed science it dislikes

Modern science!
How Facebook applies science.

Blacklists are back and Facebook’s got ’em! Facebook is now warning its users that it will punish them if they repeatedly link to peer-reviewed science papers that document the long known harmful effects from improper mask use.

Facebook is warning users against sharing a study that found dangerously high carbon-dioxide intake in masked schoolchildren, published in the Journal of the American Medical Association (JAMA) Pediatrics. “Pages and websites that repeatedly publish or share false news will see their overall distribution reduced and be restricted in other ways,” the warning says when users paste the link on Facebook, before confirming they want to share it.

It’s giving the same warning and threat of account restrictions to users who paste a link to Townhall.com article on a University of Florida lab that found dangerous pathogens on children’s face masks, submitted for testing by their parents. [emphasis mine]

Apparently, Facebook’s “‘fact-check’ simply highlight[ed] disagreements between the scientist who conducted the test and other scientists who did not conduct the test. … Instead of acknowledging that more study would resolve the dispute, [Facebook] call[ed] the report false. That’s not science β€” that’s propaganda.”

The second study about the number of very bad pathogens that gather on masks used during a single day was already discussed by me in an earlier post. That study found that after a single day of use,
» Read more

12 comments

Problems with Blue Origin’s engine force more delays of ULA’s new Vulcan rocket

In a detailed and very informative review of the partnership between ULA and Blue Origin yesterday, Eric Berger at Ars Technica noted these unfolding facts:

For years, United Launch Alliance chief executive Tory Bruno had been saying the new Vulcan rocket, powered by two [Blue Origin] BE-4 engines, would launch in 2021. However, he recently told Aviation Week the first launch would slip into 2022. Bruno said this was due primarily to the mission’s customer, Astrobotic, whose Moon lander was not ready. Technically, Bruno said, Vulcan still had a chance to be ready for a 2021 launch.

This seems highly unlikely because it is already July, and United Launch Alliance (ULA) still does not have a pair of flight engines. After receiving the flight engines from Blue Origin, ULA needs to attach them to the Vulcan rocket, roll it to the launch pad, and conduct a lengthy series of tests before a hot-fire ignition. After this hot-fire test, the rocket will be rolled back to the hangar and prepared for an actual launch attempt. As of January, Bruno was saying this hot fire test with the flight engines would take place this summer. That will no longer happen.

In December both companies promised delivery of those flight engines by this summer, but so far nothing has arrived. Moreover, both companies have remained very tight-lipped about the cause of the most recent delays. In October 2020 Bruno said that an issue with the engine’s turbopumps had been identified and fixed, but if so why has the engine not arrived as promised?

A GAO report released last month had described issues with the engine’s “igniter and booster capabilities,” but Bruno himself has denied the igniter was a problem.

Regardless, Blue Origin’s inability to deliver this engine is causing problems at both companies. Both have been forced to delay the launch of their new orbital rockets. Both rockets were initially scheduled to launch in 2020, were delayed to 2021 about two years ago, and now are likely not to launch until 2022.

While ULA can still switch to its Atlas 5 rocket for some planned Vulcan launches (and has already done so), that rocket is more expensive and thus eats into the company’s profit margin. Using the more expensive Atlas 5 in bidding also makes it more difficult for ULA to compete with SpaceX in any head-to-head competition.

Blue Origin does not even have this option. Its proposed New Glenn rocket is grounded until it gets its engine operational.

All told, the failure of Blue Origin to deliver here is essentially grounding all of SpaceX’s potential American competition, a situation that is not healthy for the American rocket industry.

5 comments

Update on Ingenuity’s 9th flight

Ingenuity's 9th flight
Click for interactive map

Ingenuity’s engineering team late yesterday posted an update on the helicopter’s successful 9th flight on July 5th, describing in detail the changes they made to their software that made the challenging flight possible.

The changes were required because the helicopter flew for the first time over much rougher terrain then initially planned, as shown by the map to the right.

Flight 9 was not like the flights that came before it. It broke our records for flight duration and cruise speed, and it nearly quadrupled the distance flown between two airfields. But what really set the flight apart was the terrain that Ingenuity had to negotiate during its 2 minutes and 46 seconds in the air – an area called β€œSéítah” that would be difficult to traverse with a ground vehicle like the Perseverance rover. This flight was also explicitly designed to have science value by providing the first close view of major science targets that the rover will not reach for quite some time.

In other words, Ingenuity flew for the first time over terrain that Perseverance cannot drive to, recording images from above of surface features beyond the rover’s range.

We began by dipping into what looks like a heavily eroded crater, then continued to descend over sloped and undulating terrain before climbing again to emerge on a flat plain to the southwest.

The images of that rough terrain have not yet been downloaded to Earth, but will be in the next week.

0 comments

Loudon Wainwright – One-man Guy

An evening pause: I first posted this as a pause back in 2012. Time to post it again, as I empathize with Wainwright even more now than then.

We all travel a path in life. Once Americans celebrated those who chose an independent and unique path. That no longer appears true, not that it would make any difference to Wainwright, or to me. For some, to chose a unique path and be true to yourself is the only option.

0 comments

Enrollment in public schools plunges

Good news! Federal government data for the 2020-2021 school year shows a steep drop in enrollment in public schools, with the biggest declines in the youngest grades.

While overall the drop was only 3%, the drop was stunning from parents enrolling their children for the first time.

Even more stark is the drop in enrollment among younger students. Preschool enrollment fell by 22%, and preschool and kindergarten enrollment combined dropped 13%.

The drop is even more significant in that it is really the first such decline in decades.

It appears that almost one in four parents have decided that public schools are not a good place for their little ones. Foolish mask mandates, absurd social distancing rules, and leftist propaganda promoting bigotry and sexual perversity are not what they want for their kids.

In a sane world, we would quickly see a reduction in the budgets for these public schools. Sadly this is not likely. Too many local politicians are under the thumb of the teacher unions, and serve them, not their constituents.

In the end however these budgets must be cut, if not entirely zeroed out. As long as the money keeps flowing to these corrupt institutions, they will have power and will use it for bad ends.

Let me add one more point: Considering the horrible state of the public schools, their mistreatment of children in connection with COVID, their failure to teach anything well in the past few decades, their new endorsement of racial bigotry and hatred, and their increasing partnership with radical sexual perversity, I must ask: Why on Earth are 78% of parents still sending their kids there?

30 comments

Springtime on Martian dunes near the north pole

Dunes near the Martian north pole, in the spring

Cool image time! The photo to the right, rotated and cropped to post here, was taken by the high resolution camera on Mars Reconnaissance Orbiter (MRO) on April 27, 2021. It shows a strange scattering of dunes on a flat plain. The red at the top of each dune probably indicates exposed dust and sand. The white fringe is likely either water frost or the leftover mantle of dry ice that is deposited in the polar regions each winter down to 60 degrees latitude, and disappears with the coming of spring, sublimating back into carbon dioxide gas.

There are a lot of puzzles here. The overview map below provides some context, but only some.
» Read more

0 comments

Today’s blacklisted American: Students demand blacklisting of university trustee because he donated to Trump’s campaign

The Bill of Rights cancelled by students at Northwestern University
No first amendment permitted at Northwestern
University, if the students have their say.

Blacklists are back and the students at Northwestern U have got ’em! The student government at Northwestern University in Illinois recently passed a resolution demanding that the school’s board of trustees remove trustee J. Landis Martin from the presidential search committee because he had the gall to donate to Trump’s presidential campaign.

On June 2, student government members approved a resolution to remove J. Landis Martin, Chairman for the Northwestern University’s Board of Trustees, from the Presidential Search Committee, which is reported to be choosing the next Northwestern University President within the next year, according to the Daily Northwestern.

Outlined in the β€œResolution for the Recusal of J. Landis Martin from the Presidential Search Committee” are the reasons the student government voted 17-1 to dismiss Martin on June 2nd.

The resolution lists that that β€œNorthwestern University students are a diverse population that identify with many of the groups that Donald Trump harmed during his campaign and presidency,” and also β€œthe conservative political ideology of Donald Trump, including those that support him, do not align with the views of the average Northwestern undergraduate.” [emphasis mine]

In other words, these students will not tolerate on their campus anyone who expresses an opinion they disagree with. There will be no free speech, no open discourse, and no debate. Agree with them, or you will be silenced, blackballed, and removed.
» Read more

3 comments

NOAA struggles with concept of letting private commercial space build its satellites

Capitalism in space? An article today in Space News, “NOAA to take first step toward a small satellite constellation”, describes at great length NOAA’s recent effort to rethink how it builds its weather satellites, shifting from large and expensive single satellites launched years apart to constellations of smallsats that provide more redundancy and are cheaper and easier to replace.

What the article misses, as does NOAA apparently, is that this shift should not be designed by NOAA at all. During the Trump administration there was pressure on this agency to do what NASA had, stop designing and building its satellites but instead become a customer that hires private satellite companies to do it instead.

Not much came of that pressure. NOAA hired one private company to study the idea of building a private satellite to observe the Sun. It also awarded three companies experimental contracts to provide NOAA weather data from already orbiting smallsats.

That was it. NOAA made no other attempts to encourage private companies to design and build weather satellites for it, even as it struggled to get its own satellites off the ground. The second new GOES satellite in a constellation of four for providing global weather coverage failed almost immediately after launch in 2018. Overall, that constellation is expected to cost $11 billion, $4 billion more than initially budgeted. And it is years behind schedule.

What the article above suggests is that, with the Trump administration gone, NOAA has now abandoned the effort to transition to privately-built weather satellites. Instead the article describes at great length the effort by NOAA to redesign its satellites from big, rare, and costly to small, frequent, and cheap.

This effort will fail. Government agencies like NOAA are incapable of accomplishing such a task. They do not think in terms of profit, and keeping costs down to maximize those profits. Instead, such government institutions see high costs as beneficial, as they pump more money into their operations.

Until elected officials force NOAA to change, it will not, and its weather satellites will continue to be late, expensive, and untrustworthy. Sadly, the elected officials we have today, especially in the Biden administration, are not going to do that. They are as satisfied with the present situation as NOAA is.

10 comments

SpaceX drone ship arrives in California

Capitalism in space: One of SpaceX’s two drone ships used by its Falcon 9 first stages for ocean landings has arrived in California in preparation for frequent Starlink launches from Vandenberg Space Force Base.

The journey began on the East Coast two weeks ago and included passage through the Panama Canal. Once the drone ship gets offloaded, it will be based at Pier T, where it be part of recovery operations for the Starlink landings that potentially could occur in late July or early August.

These California launches will allow SpaceX to increase the global coverage of its Starlink constellation. It will also allow the company to begin frequent launches from both coasts.

9 comments

China launches communications satellite for space effort

Using a Long March 3C rocket China today successfully launched a communications satellite for use by its manned space missions and its space station, similar to the TDRS satellites used by NASA for similar purposes.

This satellite is the fifth such satellite launched, and is likely intended to enhance communications between the ground and China’s new space station.

No word on where the first stage crashed, or whether it landed near habitable areas.

The leaders in the 2021 launch race:

21 China
20 SpaceX
11 Russia
3 Northrop Grumman

The U.S. still leads China 29 to 21 in the national rankings.

2 comments
1 913 914 915 916 917 2,915