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#nasa

57 posts40 participants4 posts today
Public
The Enemy is Within

Maga on Mars is probably not going to happen..

" #Spacex and #NASA are facing a sunk cost fallacy."

"But how did SpaceX get here? Why have they spent billions of dollars of taxpayer money on a concept that has such a fundamental problem?

Simple. #Musk isn’t an engineer and doesn’t understand iterative design, and now SpaceX and NASA are facing a sunk cost fallacy."

#Musk#Musk#Musk

planetearthandbeyond.co/p/star

Planet Earth & Beyond · Starship Was Doomed From The BeginningBy Will Lockett
Continued thread
Public
Astro Hawk (Ian Kluft) 🚀🛰️

"F-22 Pilot Swaps in for Guardian at International Space Station" by Air & Space Forces Magazine - Article notes that #NASA #Crew10 pilot Nichole Ayers (Major USAF) arrives at ISS as #Crew9 commander Nick Hague (Colonel USSF) prepares to return to Earth. Each is a member of a crew rotation of 4, with other US military members. The article links these two due to focus on Air Force & Space Force, excluding Army & Navy on the crews. airandspaceforces.com/f-22-pil #space #military #aviation #avgeek

Air & Space Forces Magazine · F-22 Pilot Swaps in for Guardian at International Space StationAir Force Maj. Nichole Ayers, F-22 pilot instructor, embarks on her first space mission at International Space Station as a NASA astronaut.
Public
Cosmic Librarian

NASA's Webb Images Young, Giant Exoplanets, Detects Carbon Dioxide
Findings suggest giant exoplanets in HR 8799 system likely formed like Jupiter and Saturn.

The first planet outside our solar system was discovered in the 1990’s, but it wasn’t until more than a decade later astronomers actually obtained a direct image of one. It’s extremely difficult to image an exoplanet, as stars in other planetary systems can be thousands of times brighter and bigger than their planets.

NASA’s James Webb Space Telescope is equipped with a highly sensitive coronagraph, a tiny mask that blocks the light of the star, allowing Webb to image exoplanets.

Webb’s new images of two iconic systems, HR 8799 and 51 Eridani, and their planets have stunned researchers, and provided additional information into the chemical make-up of the young gas giants.

#JamesWebb #NASA #exoplanets #carbondioxide

webbtelescope.org/contents/new

Public
Official Kakistocracy Jester 🪓

Elon’s #Starship is a massive failure, and we should stop allowing it to launch.

NASA’s Saturn V rocket from before I was born is beating SpaceX’s Starship by the metrics Elon promised Starship would excel. It could carry more, it was reliable, and it never experienced any “rapid disassemblies” or whatever he calls it.

In 2022, #NASA sent Artemis 1 on a successful test flight around the MOON on its FIRST ATTEMPT. Starship has yet to complete a single orbit around the Earth in 8 attempts.

Continued thread
Public
Ian Kluft ✈️🎈🌋

A couple years ago #NASA had an article answering a common question about how many digits of pi they use for their calculations. While pi can be computed (with ever-increasing amount of effort) to almost any number of digits, for navigation of space probes they only need 16. jpl.nasa.gov/edu/news/how-many #PiDay #space #math #astronomy #tech

NASA JPL EducationHow Many Decimals of Pi Do We Really Need? – News | NASA JPL EducationWhile world record holders may have memorized more than 70,000 digits of pi, a JPL engineer explains why you really only need a tiny fraction of that for most calculations – even at NASA.
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65dBnoise

Is it Mars or is it Titan?

Another one of those surreal dark sky images, captured from Broom's Point, about 600m downhill from the western rim outside Jezero Crater.

Processed, undistorted, leveled, cropped NAVCAM_LEFT
looking E (100°) from RMC 70.0000
Sol 1445, LMST: 14:19:19

Original: mars.nasa.gov/mars2020-raw-ima

Credit: #NASA/JPL-Caltech/65dBnoise

#Mars2020#Solarocks#Space
Public
Hype / Aerospace News

SpaceX Crew-10 Launches; Prepares for Astronaut Exchange on ISS
- By Andrew Wulfeck

foxweather.com/earth-space/spa
More: hype.aero/space/?story=ad827f0
#spacex #nasa #space

FOX WeatherSpaceX finally launches rocket mission in effort to get delayed astronauts homeThe crew of NASA’s SpaceX Crew-10 mission launched from the Kennedy Space Center around 7:03 p.m. local time on Friday. NASA astronauts Anne McClain and Nichole Ayers, JAXA (Japan Aerospace Exploration Agency) astronaut Takuya Onishi and Roscosmos cosmonaut Kirill Peskov will replace the previous crew, including Suni Williams and Butch Wilmore. Williams and Wilmore were part of the Boeing Starliner crew, which was slated to return to Earth in June, but NASA deemed the mission too risky, and the spacecraft returned with a crew onboard.
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65dBnoise

Remember that rock, made up of tiny spherules, which #Perseverance saw the other sol? Here is one somewhat similar, now seen by #Curiosity:

Post:
𝗦𝗼𝗹𝘀 𝟰𝟰𝟳𝟵-𝟰𝟰𝟴𝟬: 𝗪𝗵𝗮𝘁 𝗜𝗦 𝗧𝗵𝗮𝘁 𝗟𝘂𝗺𝗽𝘆, 𝗕𝘂𝗺𝗽𝘆 𝗥𝗼𝗰𝗸?

"The two rocks right in front of us are different from anything that we have looked at before on the mission, so we are eager to know what they are."

science.nasa.gov/blog/sols-447

#Mars2020#MRL#NASA
Replied in thread
Public
petersuber

Update. "US science rues ongoing demotion of research under President Trump"
physicsworld.com/a/us-science-

"In his first cabinet meeting on 26 February, #Trump suggested that officials “use scalpels” when trimming their departments’ spending and personnel – rather than #Musk’s figurative chainsaw. But bosses at the Environmental Protection Agency (#EPA) still plan to cut its budget by about two-thirds…The White House’s attack on #climate science goes beyond just the EPA. In January, the US Department of #Agriculture removed almost all data on climate change from its website…The Trump administration has also barred #NASA’s now former chief scientist Katherine Calvin and members of the State Department from travelling to China for a planning meeting of the Intergovernmental Panel on Climate Change. Meanwhile, in a speech to African energy ministers in Washington on 7 March, US energy secretary Chris Wright claimed that coal has “transformed our world and made it better”, adding that climate change, while real, is not on his list of the world’s top 10 problems."

Physics World · US science rues ongoing demotion of research under President Trump – Physics WorldUS science continues to be hit hard by budget and staff cuts
#Censorship#DefendResearch#Takedowns
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