Questions tagged [nasa]

Questions pertaining to activities of the National Aeronautics and Space Administration, a United States government agency that deals with space exploration and research.

80 questions with no upvoted or accepted answers
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14
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320 views

How did “the kid” (John Meisenheimer) calculate that there was a wave in the jet stream and Explorer 1 would be okay to launch?

The tough but timely question NASA at sIxty years, will there be a new moonshot mandate? links to the NASA YouTube video NASA 60th: How It All Began which shows a lot of really nice, historical file ...
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Has NASA ever included a ground controller or astronaut becoming insane/irrational/belligerent in a training simulation?

NASA training simulations have included a wide variety of problems thrown at the pilots and ground controllers -- not only the typical technical failures, but also some unusual outside-world stuff ...
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What did NASA Vehicle Assembly Building's “weather” look like? Did it really have clouds? Did it rain?

Comments below this answer to Would there be snow, rain, fog or clouds in a deep, sealed, subsurface cavern on the Moon if water were present? point out that the NASA Vehicle Assembly Building ...
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Dealing with lunar regolith

NASA has announced its intention to return astronauts to the Moon by 2024. Various other questions and answers here address the many dangers and difficulties posed by the fine and abrasive particles ...
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What NIAC investigations were implemented in real spaceflight? (NASA Innovative Advanced Concepts)

NIAC as in the NASA Institute for Advanced Concepts wasn't founded until 1998, so such futuristic concepts might not have come to fruition much yet. But I'd like to hear of any, or of what the ...
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1answer
110 views

What is the exposure time of the navigation camera on Ingenuity?

Today's first image from Ingenuity's navigation camera shows a remarkable lack of motion blur in the shadow of the rotors, despite them turning at 2600 RPM: The factsheet tells us: Navigation (NAV) ...
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862 views

Did NASA “publish”, then “delete” this and other photos of the ISS leak?

A tweet by @NASASpaceflight (Chris B - NSF, "Managing Editor of NASASpaceFlight.com" says: ISS Leak summary: First thought was MMOD strike. Then NASA released pics. Lots of people: "...
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203 views

Open source hardware at NASA

Given NASA has its open source software repository, I can not really find its open source hardware counterpart so I suppose such a thing does not exist. Is that true? The 3D models site (GitHub mirror?...
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Is there a publicly available inventory of things sent to the ISS?

I spent some time looking through NASA datasets and news articles, and couldn't find anything, so I'm hoping that someone in the community will know better than I do: I'm trying to understand what the ...
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289 views

How many stages will likely be used to bring NASA astronauts to the Moon's south pole and safely back to Earth?

UPDATE: See Space News' NASA tweaks call for lunar lander concepts which links to: FedBizOpps: Human Landing System - Integrated Lander NASA.gov: NextSTEP H: Human Landing System - Integrated Lander; ...
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How will NASA know for sure if its “Good night, Kepler” instruction was correctly and completely executed?

The NASA News item Kepler Space Telescope Bid ‘Goodnight’ With Final Set of Commands says: On Thursday evening, NASA’s Kepler space telescope received its final set of commands to disconnect ...
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How far is Cape Canaveral from Kennedy Space Center, administratively and programmatically-wise?

Answers to a similar-sounding question What is the difference between Cape Canaveral and Kennedy Space Center? deal mostly with history and geography. In the question Which has been the most ...
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Commentary-free launch video?

Does NASA broadcast live video of their launches (specifically from Kennedy) that does not feature commentary? I appreciate Mike Curie's comments but... sometimes I just want to hear the controllers ...
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How much open source is the Apollo program today?

What percentage of NASA's Apollo program is considered to be open source as of today? I mean if I wanted to replicate a lunar mission from scratch exactly the same way they did it, regardless of the ...
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Why was the risk of loss of STS-1 (Columbia) estimated to be so high?

There's this tweet from Wayne Hale, former NASA Flight Director Several media people have asked me about how risky STS-1 was. There were a lot of uninformed guesses circulating in 1981. Thirty ...
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127 views

Why will the NASA Mars drone helicopter use off the shelf batteries?

I read from this paper under section G. that the JPL Mars helicopter scout will use standard 18650 cells from Sony. I’m sure that a company like NASA has the capability of acquiring much more advanced ...
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Where can I find FOIA requests to NASA and their subsequent replies?

NASA official page compiles Freedom of Information Act (FOIA) information requests here. https://www.nasa.gov/FOIA/elibrary Above page lists few xlsx files for past few years but links given for ...
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327 views

Cable lacing in spaceflight, when was waxed cord forbidden?

During the sixties of last century traditional cable lacing was done using a thin cord, traditionally made of waxed linen. The wax should improve knot retention. From NASA-STD-8739-4. Using waxed ...
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Can Delta Heavy launch a fully fueled upper stage with no payload attached?

There is right now talk of a potential dual launch mission to fulfill EM-1, where a Delta Heavy would launch a fully fueled upper stage to LEO, to there bet met with the Orion spacecraft, likely ...
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288 views

How can I de-fisheye NASA InSight raw images?

NASA Insight (as other past and future missions) provide distorted images. Which site can I use to automatically fix such distortion, without downloading and processing each single image I am ...
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553 views

What is SpaceX's parachute problem that NASA is concerned about in the NASA ASAP report?

The Washington Post's NASA to launch safety review of SpaceX and Boeing after video of Elon Musk smoking pot rankled agency leaders says: Earlier this year, Boeing had a propellant leak during a test ...
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108 views

To what extent was Apollo program training specific to each mission?

In comments and answer to this question, the time it takes to train for an Apollo mission is mentioned several times as a factor on the big rotation of crews. I figure that would actually play in ...
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Do ring laser gyros age with laser and dithering disabled?

Laser fading seems to be a known issue with ring laser gyros. With their STEREO-B probe, NASA experienced a different, "unexpected" failure mode, giving false readings. The Honeywell MIMU's were well ...
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283 views

From where is this sequence in the Apollo 13 (movie) extra material showing Gene Kranz?

In the Apollo 13 movie extra material, there are several documentary shots interspersed with commentary about the makings of the movie. I am interested in the sequence beginning at about 29 minutes (...
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1answer
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What prompted NASA to establish a KSC SWAT Team?

Based on this question, it looks like KSC has not only its own police department (which is fairly common for large facilities, even things like universities) but also a SWAT team, which apparently was ...
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Where is the uncropped version of this cool Ingenuity navigation camera GIF?

Ingenuity's Shadow During Third Flight shows the GIF below which is made from cropped bits from several downward-looking images from Ingenuity's navigation camera, stretched so that the ground is ...
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1answer
55 views

How are operational procedures developed?

In anticipation of the upcoming Ingenuity flight, I have found myself wondering how procedures are developed by spacecraft operators. How is a go/no go procedure created? How does the team create a ...
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35 views

Looking for a live audio-only stream of NASA TV or JSC/ISS loops

I recently installed an old iMac G3 machine just for the fun of it, but it doesn't play YouTube videos for obvious reasons, so I can't use it to play NASA TV in any form. However, audio streams is ...
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Does NASA consider Joseph Walker to be an astronaut?

Joe Walker was a NACA and NASA test pilot who flew the X-15 aircraft twice above 100 km, which FAI uses their definition of an astronaut. Flight 90 achieved 106.01 km, and flight 91 reached 107.96 km....
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Heart attacks & suicides in NASA Mission Control of the 60s?

On page 280 of Mike Gray's book Angle of Attack: Harrison Storms and the Race to the Moon (1992), Gene Kranz, legendary NASA flight director in Gemini & Apollo missions, is quoted as saying: It ...
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How will Mars 2020 rover Perseverance's selfie skills compare to Curiosity's? Will it have any additional selfie-related capabilities?

The design of the Mars 2020 rover Perseverance benefits from years of operational experience with Curiosity. While 2020's instrument suite differs in several ways it looks remarkably similar to ...
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Looking for help in drawing diagrams to explain graphically NASA Horizons output

I searched a lot for a javascript library or a REST API to access full functionalities of powerful NASA Horizons tool, but with no luck, so I am trying to write my own interface, to replace the very ...
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What is holding SLS back from launching?

I'm kind of confused on this point SLS has engines, a tank, side rocket boosters, a capsule, and seemingly all of the pieces. What is the major technical issue right now that is keeping SLS from ...
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Surmountability of the technical risks to launching EM-1 on commercial rockets?

NASA administrator Bridenstine announced that commercial rockets (e.g., Delta Heavy and Falcon Heavy) would be considered as ways to launch EM-1 by July, 2020. Such a move would reportedly require a ...
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Are there any scientific or technical reasons for defunding WFIRST?

This week, the White House announced its proposed budget for fiscal year 2020, which of course includes NASA's budget for the same time period. Notably, for the second year in a row, it proposes ...
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Do space stations have standardized officer designations for crew?

I have some anecdotal information. The ISS has a commander, and I noticed here that it had a Flight Engineer, and in this article (found here) I see that Skylab had a Science Pilot. Do space stations ...
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JSC has reorganized its website. Where is the old /news/columbia information now?

At some point after the STS-107 failure, Johnson Space Center posted a lot of valuable material online that hadn't been publicly available before. Especially the STS Generic Flight Rules, which used ...
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How do NASA Venture Class Launch Services Contracts work?

The Rocket Lab YouTube video ELaNa 19 Launch - 12/16/2018 contained a short video which was preceded by the following explanation after about 08:00: Today’s ...
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More complete source for Lunar Gateway is “a stupid architecture” comments? (National Space Council Users' Advisory Group)

The Ars Technica article Former NASA administrator says Lunar Gateway is “a stupid architecture” disusses a meeting of the National Space Council Users' Advisory Group. Apparently there was not around-...
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381 views

Combined Mechanical Counterpressure and Gas-Pressurized suits

The "Mechanical Counterpressure" (or SAS) space suit is the holy grail when it comes to mobility, flexibility, and being lightweight however it also has it's share of problems. It's very difficult to ...
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Has budgetary support for Juno been extended, or is it running out?

The Yahoo news article NASA’s Juno snapped another photo of Jupiter that looks like a watercolor painting is a reminder that Juno is generating plenty of data and beautiful images. The Juno ...
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Who said, “Take that, Jezero!” during the Perseverance landing?

During the Perseverance landing broadcast, many of us heard a voice call out, "Take that, Jezero!" Every article I can find simply identifies the speaker as "a controller" (or just ...
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How much of NASA's annual budget goes to launch

I've been trying to figure out how much of NASA's budget goes to launch costs. I would also be interested in the same question for the global space market. What I've tried I started with a simple ...
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63 views

When NASA spacecraft arrive at Mars, is Mars always always above the horizon in the US?

Writing How long did the plasma blackouts of Perseverance's signals to MRO and direct-to-Earth last during its seven minutes of terror? I noticed that Mars was high in the sky over the Green Bank ...
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NASA Project Management Wall Chart

As an Undergraduate student and new to the field of Space mission design and systems etc, I want to know is there any detail explanation with examples of the jargon terms mentioned in the chart below? ...
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How do all the struts and crosses in the Orion Crew Capsule Service Module work together? What do each of these parts do?

The BBC's Europe to make more hardware for American Moon missions says that three more service modules for the Orion Crew Capsule have been ordered by NASA, bringing the total desired to six. I ...
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Why would a launch request for a gravitational assist at Mars specify a DLA (Declination of Launch Asymptote) of 30 to 32 degrees?

The recent intriguing question Why is NASA proposing an EMEJ (MEGA) trajectory for Europa Clipper instead of EEJ? quotes "A launch service request... recently put out for Europa Clipper to do a ...
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84 views

JAXA/NASA astronauts on a Shuttle mission; was it like dual citizenship/joint appointment or did one agency take precedent?

Professor and former astronaut Takao Doi does many things, including being a Space Shuttle mission specialist, an amateur astronomer and discoverer of two supernovae 2002gw IN NGC 922 and Supernova ...
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Did NASA director Jim Bridenstine really make sure that Artemis gets done in a way different than how the US “House of Representatives put forward”?

update: Aviation Week November 8, 2020: NASA Chief Plans To Step Aside Under Biden In the "Angry Astronaut" video NASA'S Lunar Gateway Announcement - This REALLY matters to Artemis, SpaceX ...
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Why was the SpaceX Demo 2 spashdown livestream so devoid of visuals?

Today's successful splashdown was tremendously boring compared to what we are used to from SpaceX launches. The mission statistics, the timeline, inner cockpit, etc was not shown during the telecast. ...