The Stack Overflow podcast is back! Listen to an interview with our new CEO.

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.

Filter by
Sorted by
Tagged with
4
votes
1answer
996 views

Where can I find “Space policy directive 1”?

Today, as per the tabloids, President Donald Trump signed the "Space policy directive 1". Where can I find the original/raw document? (I get the gist from the tabloids, but wanted to read the raw ...
4
votes
1answer
3k views

LOPG/Deep Space Gateway - What is a cislunar orbit?

Formerly the Deep Space Gateway and now the Lunar Orbital Gateway or LOPG station, is planned for Expedition 1 aka the maiden launch of the SLS. After reading several specifications, to avoid the "...
4
votes
1answer
199 views

Did InSight take a “mean left” turn on its way to Mars? Is it an out-of-plane maneuver?

In the NASA JPL video NASA Launches InSight to Mars (part 1) after about 14:30 (currently) NASA's new Chief Scientist Jim Green (better photo here) explains: ...
4
votes
1answer
136 views

Where are these historical IBM + Apollo related locations within NASA? What do these computers do?

In the Fortune Magazine video IBM's Moonshot: Past and Future with the notes BM’s John Kelly reflects on Apollo 11’s historic mission and looks forward to what future technology will accomplish. ...
3
votes
1answer
320 views

What is the meaning of this writing on the InSight lander, and why is some in Braille?

I spotted this image in this answer and a few things caught my eye. Both images are cropped from the much larger image PIA22540. First Braille in Space? On the left and right sides there is what ...
3
votes
1answer
118 views

Where is the LC-19 launch console now?

Julia Bergeron's recent tweet from Florida shows an electronics console that looks to be mid-20th century. Above it is written LC-19 but there are other ...
3
votes
2answers
127 views

When will NASA PubSpace really make publicly available most of NASA funded research papers?

The Science Alert article All Scientific Research Funded by NASA Is Available For Free is worth reading and contains several links and quotes. Here is one excerpt: The database is called PubSpace, ...
3
votes
1answer
110 views

Help identifying this archival NACA/NASA image of a wind tunnel test object

Near the end of the NASA video Rocket Engine Testing the NASA Way! there is an image that appears to be archival an possibly quite old. It's a metal model of a launch vehicle with two very long ...
3
votes
1answer
84 views

What are “uncoupled attitude maneuvers” and why do them?

This answer to the question Apollo-11 delta-v “due to residual pressure in the docking tunnel pushing the spacecraft apart” detected as it happened? Was it corrected? quotes the following passage from ...
3
votes
0answers
172 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 ...
2
votes
0answers
352 views

How far is Cape Canaveral from Kennedy Space Center, administratively and programmatically?

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 ...
2
votes
1answer
96 views

For which “2 billion dollar spacecraft launched in 1999” did NASA “specially design” an Aronson Trolley Positioner?

This answer to What are those tilting/rotating platforms called that hold spacecraft during assembly, testing, and sometimes transport? quotes this Weld Plus website as follows: (The) Aronson ...
2
votes
1answer
554 views

Can we trust reusable rockets? [closed]

SpaceX and Blue Origin have demonstrated the feasibility of modern reusable rockets. Elon Musk claims that a reusable rocket is 100 times cheaper than a conventional one. The average success rate of ...
2
votes
1answer
92 views

What GEO relay satellite will the ISS use for end-to-end optical communication with a ground station?

This LEMNOS page on NASA's Explorations and Space Communications site says: The Integrated Laser Communication Relay Demonstration (LCRD) Low-Earth Orbit (LEO) User Modem and Amplifier Terminal (...
2
votes
1answer
92 views

Identify this astronaut and shuttle mission

After about 02:00 in the Kinematic video SpaceX Delivers Critical Docking Adapter for NASA to the ISS the astronaut says: You know the Space Shuttle’s been with ...
2
votes
4answers
375 views

Why do some scientists want a moon base for further space travel? What are the advantages of a moon base if compared with an earth base?

The distance between moon and earth is just 384,400 km. So, if we can travel (from moon) to another planet, we also can travel (from earth) to the same planet. But I've read that some scientists want ...
2
votes
2answers
329 views

What are the louver-like structures on the sides of the Mariner 4 probe?

The COSMOS Magazine article First mission to Mars: Mariner 4’s special place in history July 14, 1965, forever changed the way we see Mars. Tim Wallace looks back at one of NASA’s greatest triumphs ...
2
votes
1answer
1k views

What are these giant NASA boxes?

In this answer I saw Figure 35 of the encyclopaedic ISS Interface Mechanisms and their Heritage and from the link I saw Figure 37, and I've included both below (click for larger size). What are these ...
2
votes
0answers
169 views

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-...
2
votes
0answers
107 views

What do these three historical IBM staff at NASA insignias designate?

The question Where are these historical IBM + Apollo related locations within NASA? What do these computers do? shows four images. Three of them show different IBM insignias on shirts of IBM staff. ...
2
votes
1answer
254 views

Did NASA remove four major photographic atlases of the Moon from its Technical Report Server? Gone for good, or just hype?

An October 2013 article in SpaceRef.com The New Race for the Moon says: "NASA's policy is to make data publicly available. I think that is a very noble policy. I do not see anything wrong with it," ...
2
votes
1answer
172 views

How would this two-stage Mars Ascent Vehicle work? Where do you sit?

This curious answer shows an image of a liquid-fueled Mars Ascent Vehicle with a sign in front that only says Two Stage Mars Ascent Vehicle Question: Is there some NASA program associated with it ...
1
vote
1answer
122 views

The “live” 3D webpage showing LRO's activity is down, is this temporary?

In my answer to the question "Mapping the moon: how to use the Lunar Reconnaissance Orbiter (LRO) image data?" I include a link to https://lrostk.gsfc.nasa.gov/preview.cgi which is a "real-time" ...
1
vote
1answer
458 views

How are the velocity and range of a spacecraft measured from ground based stations?

How are the velocity and range of a spacecraft measured from ground based stations? For example we can go on NASA's website and look at the real time data for the mission status of their past ...
1
vote
1answer
199 views

How does this ISS vision-testing instrument work? What exactly is being measured, and how?

This tweet by Surrey Satellite engineer Enguerran Petitfils says Astronaut Serena Auñón-Chancellor Examines Her Eyes via NASA https://ift.tt/2NmEt6k What is this device exactly, how does it work,...
1
vote
0answers
77 views

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 ...
1
vote
1answer
118 views

Will the countries ever co-operate again for the next upcoming era of Martian exploration? [closed]

In the beginning of space exploration, there was sort of a Space Race between the United States and Soviets in order to achieve something bigger to dominate over one another. But after a matter of ...
1
vote
1answer
117 views

What do all these vectors point to in this New Horizons trajectory/operations simulation?

Sir Brian May's New Horizons music video (below) shows an animation of the spacecraft and its launch vehicle from countdown to MU69 Ultima Thule. Part way through the video at about ...
1
vote
0answers
105 views

From where do apps that listen to “Kennedy Space Center Communications” get their audio feed?

Watching the Everyday Astronaut video The best places to watch a rocket launch in Florida! near the end there are mentions of some "viewer tweets" including one that caught my eye. Download a ...
1
vote
1answer
129 views

What kind of ground-based radio astronomy is NASA's DSN used for? Who are the PIs?

I looked at DNS Now to check on Hayabusa-2 and compare to http://haya2now.jp/en.html and saw that DSS 34 in Canberra is currently in setup/teardown for Ground Based Radio Astronomy! In this status ...
1
vote
0answers
152 views

How many stages will 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; ...
1
vote
1answer
1k views

What are the uses of the NASA core Flight System (cFS)?

NASA's cFS (core Flight System) has been released as open-source. The Core Flight System (cFS) is a platform and project independent reusable software framework and set of reusable software ...
1
vote
1answer
305 views

What causes these faint, straight line artifacts in Suomi NPP images of Earth at night?

This is an image of the UK taken by the Suomi NPP satellite's Visible Infrared Imaging Radiometer Suite (VIIRS) in 2012: There are faint lines emanating from Scotland and northern England, with a ...
1
vote
1answer
66 views

Non-biological end effectors (hands) in spacesuit design

Designing the 'end effectors' or gloves of a spacesuit is notoriously difficult. Hands have are extremely flexible and are the primary interface that humans use to interact physically with the world. ...
0
votes
1answer
125 views

What responsibilities does the Hurricane Harvey OPS team have, and what challenges?

Here is a tweet from NASA flight director Royce Renfrew's personal twitter account. I believe at least some of the Hurricane Harvey OPS team is on-site at Johnson Space Center but the work might be ...
0
votes
1answer
948 views

What purpose serve the audible “bip” on apollo radio communications? [duplicate]

When looking at moonwalk videos, we can hear bips. What are those bips? Why are there bips? Do this bips still exist in nowaday space missions?
0
votes
0answers
73 views

Does the TDRS user segment ever provide network functionality beyond being “customers”?

Celestrak's NORAD Two-Line Element Sets Current Data TLE page has many pre-defined categories for quick access for groups of spacecraft that share similar characteristics. I clicked on the ...
0
votes
1answer
231 views

Is NASA's Performance Vehicle Calculator website open for public use?

This answer links to "NASA's Performance Vehicle Calculator" with the link https://elvperf.ksc.nasa.gov/Pages/Query.aspx I've also found the same link in https://forum.nasaspaceflight.com/index....
0
votes
1answer
126 views

How can the data rate be increased in the space which is full of noise?

I am curious to know what can we do to improve the data rate in the space? I see that there are some noise sources in the Space that affect the signal quality between ground stations & deep space. ...
-1
votes
2answers
281 views

Which Chinese citizen co-founded JPL? Who are JPL's “founders” in general?

The Wired UK article The epic tale of China's out of this world plan for space domination says: A Chinese citizen co-founded the JPL, but these days no Chinese officials are allowed on a Nasa site ...
-2
votes
1answer
284 views

What will the new rules, guideliness, and safety measure be for the ISS after NASA kicks out Soyuz?

Will US Policy be that there should be two Boeing CST-100 Starliner or SpaceX Dragon V2 craft attached to ISS at all times for the American segment of the station? Will Soyuz continue to be used?
-2
votes
3answers
341 views

How come we can see nearby galaxies but are unable to see TRAPPIST-1?

How do we have telescopes that are powerful enough to see nearby galaxies, such as Andromeda (M31), but are unable to see TRAPPIST-1 or the other exoplanets in its solar system in detail when TRAPPIST-...
-3
votes
1answer
189 views

Before their disastrous demise, how many missions did Challenger and Columbia fly?

I always grew up thinking that both of those shuttles only flew in one mission and never made it back home. Now, I found evidence that that's not the case.