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
5
votes
0answers
99 views

Did NASA muzzle Wernher von Braun during the moon landings?

Wernher von Braun was brought from Germany to the United States at the end of World War II, to develop missiles for the U.S. Army. In addition to working for the military, he helped to popularize the ...
3
votes
1answer
96 views

What exactly are Tindallgrams? (spaceflight related)

The word "Tindallgram" appears in three posts: this answer to How complex was the math and physics necessary to place Apollo 11 on the moon? What is a “Lear Processor” and how did it work? this ...
8
votes
1answer
638 views

Astronaut distance from Earth?

After the Apollo Missions, what is the farthest that any country has sent astronauts into space (distance from Earth)?
8
votes
1answer
1k views

Is this really the Saturn V computer only, or are there other systems here as well?

The BBC News article Apollo in 50 Numbers; The Technology shows an image of the Saturn V's computer along with the caption: The Saturn V's computer was probably the largest computer ever blasted ...
2
votes
1answer
113 views

How exactly does this Apollo astronaut's tool work? What was it called?

The BBC News article Apollo in 50 numbers: Weights and Measures shows the following photo with the caption: The astronauts brought back more than 360kg (790lb) of Moon rocks for study on Earth (...
3
votes
1answer
122 views

Are NASA's chase planes ever flown by non-astronauts?

NASA maintains a fleet of T-38 aircraft for training and as a chase plane for spacecraft. When used for that latter role, were the T-38s ever flown by non-astronauts?
6
votes
1answer
200 views

Did NASA distinguish between the space shuttle cockpit and flight deck?

NASA used both terms on their website, Cockpit and Flight Deck. One answer on Aviation SE Cockpit vs Flight Deck?says there is a difference between the two. Did NASA use the terms interchangeably, ...
5
votes
2answers
192 views

Apollo Mission Control Room 2, how do these decimal number displays work?

In a recent question there was a link to this arsTECHNICA page. One of the pictures of digital clock displays: How do these decimal number displays work? I guess there are assembleys of a mask with ...
2
votes
1answer
473 views

Are there any atheist or agnostic American astronauts, past or present?

Are there any atheist or agnostic American astronauts, past or present? If no was this policy? (If no how did that happen and is there a policy going forward?) Yes these are three questions but they ...
9
votes
2answers
695 views

Apollo Mission Operations Control Room 2 display, what do these numbers indicate?

There are some really beautiful photos in Ars Technica's NASA’s restored Apollo Mission Control is a slice of ’60s life, frozen in amber See also NYTimes' NASA Reopens Apollo Mission Control Room ...
7
votes
0answers
62 views

Why did GRACE mission have launch window?

GRACE mission which was launched on March 17th, 2002 had a 10 minutes launch window. The mission was to launch a couple of earth observation satellites. And interestingly, NASA's GRACE Launch Press ...
21
votes
1answer
7k views

Why did NASA wet the road in front of the Space Shuttle crawler?

In this video, at the 6:25 mark, you can see a truck drive in front of the crawler, spraying water on the gravel ahead of the treads. Why did they do this?
1
vote
1answer
120 views

What “flight-ready version” of the Lunar Module is in a museum on Long Island, NY?

Ars Technica's Via the BBC, find out how Apollo 11’s Eagle actually landed says: I've also learned things about the Lunar Module itself, including that it was made nearby on Long Island, where a ...
5
votes
1answer
214 views

What information was stolen from JPL during the Raspberry Pi hack?

The Engadget article A rogue Raspberry Pi helped hackers access NASA JPL systems highlights an incident where a networked Raspbery Pi at JPL was used to gain access to several other networks, ...
1
vote
1answer
63 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. ...
2
votes
1answer
132 views

Where would one deploy deep space atomic clocks?

Space.com: NASA IS LAUNCHING A GPS SYSTEM FOR SPACE NASA/JPL news: Five Things to Know about NASA's Deep Space Atomic Clock NASA mission pages clock NASA Deep Space Atomic Clock Fact Sheet The first ...
5
votes
1answer
155 views

Does NASA no longer own a “Vomit Comet?”

This Wikipedia article seems to suggest that NASA no longer owns an aircraft capable of simulating weightlessness, and that such astronaut training is now contracted from a private company. Can this ...
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 ...
1
vote
2answers
106 views

What is the US president talking about re US/Japan dramatic expansion of military(?) cooperation?

According to the Bloomberg article Japan Astronauts to Soon Join U.S. in Trip to Mars, Trump Says: The U.S. and Japan will “dramatically expand” their cooperation in outer space, with missions to ...
14
votes
5answers
7k views

What are the benefits of cryosleep?

NASA is working on a so-called 'Cryosleep Chamber', but why do they need it so badly? There must be a lot of benefits attached to this technology..
3
votes
1answer
153 views

How radioactive might the Moon's surface water be? Could it be unsafe to drink?

NASA Chief Scientist Jim Greene asks: Can we go (to the Moon) and drink the water? The source of the water in this case would be ice deposits to be found in permanently shaded areas on the Moon. ...
1
vote
1answer
83 views

What just didn't happen with NASA's Moon-to-Mars directorate?

The Spacenews.com article Sirangelo leaves NASA after exploration reorganization scrapped says: WASHINGTON — A former space industry executive who joined NASA to guide its revamped lunar ...
2
votes
0answers
20 views

Where will BioSentinel be relative to Earth while running experiments?

The Space.com article In 2020, NASA Will Send Living Things to Deep Space for First Time Since Apollo describes (among other things) the BioSentinel spacecraft, and links to a NASA BioSentinel fact ...
3
votes
1answer
446 views

Why has NASA shunned the worm logo?

I love the NASA "worm" logo. It's a futuristic, stylish rendering of the agency's acronym. But they "retired" it in 1992. WHY??? It was replaced with NASA's original logo, the "meatball": Not be ...
10
votes
1answer
755 views

Is there a realtime, uncut video of Saturn V ignition through tower clear?

"Hi, I'm Organic Marble and I'm bad at searching Youtube." Inspired by this question What event determined the transfer of control from Kennedy Space Center to Houston?, I'd like to watch a 1:1 (...
7
votes
2answers
655 views

Why was Houston selected as the location for the Manned Spacecraft Center?

NASA's Manned Spacecraft Center in located in Houston, Texas. What were the site selection criteria, and what contenders were there other than Houston? The center is named for Lyndon B. Johnson. He ...
2
votes
2answers
241 views

What event determined the transfer of control from Kennedy Space Center to Houston?

Launches at Kennedy Space Center in Florida were managed by the on-site launch control center. At some point in the mission, authority was transferred to the mission control center in Houston, Texas. ...
20
votes
1answer
4k views

What were the “pills” that were added to solid waste in Apollo 7?

In the BBC News Worldservice podcast 10, 9, 8, 7: The dramatic missions that made the Moon landing possible told by retired astronaut Nicole Stott (Expeditions 20, 21, STS-128 and STS-133) after ...
3
votes
1answer
129 views

Why did the number of recovery ships decrease with time?

This NASA page names the various ocean ships that have helped recover NASA spacecraft. There is a general trend that later missions used fewer ships. Read the link for details, but here are some ...
4
votes
1answer
123 views

Did NASA have a term for the “sky” during the Apollo missions

Did NASA have a distinct word to describe what the Apollo astronauts saw when they looked at out at the stars, when traveling between the Earth and the Moon? Sky does not seem right, as that word ...
9
votes
1answer
2k views

What do astronauts do with their trash on the ISS?

Astronauts often stay more than a year on the ISS, they produce trash like any other human. Is there like a limit that they may produce ever day or maybe some measures were put in place to reduce the ...
3
votes
2answers
181 views

Will NASA put astronauts into a polar lunar orbit? If so, how?

The NASA news item New Space Policy Directive Calls for Human Expansion Across Solar System says: New Space Policy Directive Calls for Human Expansion Across Solar System and the administration is ...
0
votes
2answers
67 views

What is the connection (if any) between the new Artemis mission and the two Artemis spacecraft (Themis-B, -C)?

It has been announced that the culmination of Space Policy Directive 1, the goal to land Americans and specifically the first woman on the Moon, at it's south pole in 2024 will be called "Artemis". ...
1
vote
0answers
72 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 ...
10
votes
1answer
391 views

Was there any period of time when other U.S. launchers were abandoned in favor of the Shuttle?

The comments to this recent question disagree on whether the U.S. briefly abandoned other launch systems in favor of the Space Shuttle. The Shuttle was designed to be capable of bringing all U.S. ...
5
votes
1answer
204 views

What is this strange, liquid-cooled tube hanging in a wind tunnel?

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 long cylinder densely wrapped with what I assume is ...
3
votes
1answer
102 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 ...
5
votes
1answer
301 views

Agena docking and RCS Brakes in First Man

In the movie, First Man, Neil Armstrong and his colleague David Scott, as part of the Gemini 8 program, attempt to dock with the Agena but it turns out to be disastrous as they go into a continuous ...
3
votes
1answer
101 views

How exactly do the AstroBees implement propulsion and attitude control?

The (currently unanswered) question How does JAXA's “Int-Ball” manage airflow to optimally navigate inside the ISS? shows a complicated set of twelve ducted airflows for that JAXA aerobotic system ...
1
vote
1answer
87 views

How did fictional asteroid 2019 PDC get its name?

Gizmodo's NASA and FEMA Will Simulate an Impending Asteroid Strike Next Week The hypothetical discovery takes place in 2019, but what does "PDC" stand for? Perhaps it is another "discovery" by the ...
10
votes
2answers
825 views

What is the numbering system used for the DSN dishes?

The title "What is the numbering system used for the DSN dishes?" pretty much sums it up. DSN dishes are referenced by seemingly arbitrary numbers: 14, 55, 36, etc... Do these numbers carry any ...
5
votes
1answer
174 views

Does America's Birthright Citizenship law apply to the American side of the International Space Station?

In a scenario in which a pregnant Russian woman were to give birth while visiting the International Space Station, and if she were to give birth while on the American side of the ISS, would that baby ...
8
votes
4answers
377 views

Has there ever been an astronaut that bailed out on going to space last minute?

I’m just wondering if any astronauts have gotten cold feet last minute and have refused to go into space.
3
votes
1answer
434 views

What exactly is a “Green Run test” for SLS that NASA is considering skipping?

The Ars Technica article Rocket Report: A new Delta 2, Blue Origin inks with NASA, a fiery Falcon Heavy says: Boeing seeks to ship SLS core stage by the end of 2019. With a renewed emphasis from ...
4
votes
2answers
103 views

Why are images from DSCOVR EPIC unavailable for certain dates?

I am in love with the images available at https://epic.gsfc.nasa.gov/ taken from the DSCOVR satellite. I am curious though as to why some dates are unavailable to select. The calendar date picker ...
1
vote
1answer
84 views

How were the geodetic and geocentric latitudes of the Space Shuttle defined and calculated?

The image below is cropped from https://i.stack.imgur.com/4XFaJ.jpg as described in this answer. It shows a geographic state of a space shuttle at a given instant in time. There is only one value for ...
0
votes
1answer
75 views

Does the arrow in this SOHO trajectory animation point heliocentric prograde, or towards the Sun?

This answer links to this NASA page. The first video shows the two STEREO spacecraft use two and three passes by the Moon to leave Earth orbit and enter into an orbit around the sun. Below is a GIF ...
1
vote
0answers
117 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
votes
1answer
101 views

Does NASA needs ecologists? If yes, whats the salary of an ecologist? [closed]

I'm in grade 12 and I'm about to go to Ecology college after this graduation, and I was wondering if nasa needs ecologists or no, and what is the salary for a ecologist. Questions: Does NASA ever ...
1
vote
0answers
32 views

How video projection screen is used in test of Europa Clipper's high gain antenna?

Phys.org's Europa Clipper high-gain antenna undergoes testing says: The full-scale prototype antenna, which at 10 feet (3 meters) tall is the same height as a standard basketball hoop, is in the ...