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.

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15
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3answers
7k views

How do astronauts keep their devices dry?

In these videos astronauts are drinking and playing with water. We can see water droplets floating away to the surroundings. Do these droplets affect the machines in any way? What do astronauts do to ...
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Will the Insight seismometer use the deployment of the Heat Flow and Physical Properties Probe as a known impact source for sounding purposes? [duplicate]

As the Heat Flow and Physical Properties Probe (HP3) hammers itself into the Martian soil, it will generate impacts of known intensity. I have not been able to find anything on https://mars.nasa.gov/...
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2answers
237 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 ...
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0answers
64 views

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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1answer
213 views

Is no one except Elon Musk using steel to build rockets? [duplicate]

Recently Elon Musk tweeted this picture of the SpaceX prototype Starship, which they will use for VTOL. He said that steel is cheaper compared to carbon fiber and has high melting point etc, which ...
29
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1answer
4k views

What are these membranes at the aft end of the Shuttle that get torn off during lift off?

The link to the Space Shuttle launch video. At 1:30 mark, three circular disks get torn away. It happens immediately after the engine ignition begins. Here is a cropped image of the Discovery after ...
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0answers
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Does NASA still plan for the Mars Ascent Vehicle to burn wax from the surface to orbit?

The NASA news item From Pedicures to the Peregrine Rocket, Paraffin Wax Proves Its Worth says: The paraffin-based fuel also works under challenging environmental conditions, like the very low ...
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1answer
133 views

What's going on with NASA's Solar System Dynamics?

JPL's Horizons web interface generates the following orange announcement: IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including ...
58
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1answer
8k views

How was New Horizons able to direct data so precisely back to Earth?

The New Horizons space probe is sending back images of Ultima Thule, 6.4 billion kilometres away. Barring having a very large power to send information back on a very large angle, it seems to me ...
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2answers
217 views

Is there any reason that NASA's launched space probes and MERs usually operate decades longer than expected?

Space Probes & MERs History Recap Pioneer 10 & its twin probe Pioneer 11 reference Courtesy of Uwe's response on my question :- Pioneer 10 was planned for 21 months of operation. ...
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3answers
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What impact does the Dec 2018 partial shutdown of the US Federal Government have on current space missions?

Title says it all really? Will the staff operating Curiousity, Insight, Juno, etc. continue to work? What about staff supporting them indirectly?
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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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1answer
500 views

What is the origin of Black knight satellite? [closed]

Is it true that an extraterrestrial satellite orbits earth in retrograde? If the Black knight exists, can we presume that it is placed there by aliens who are technologically more advanced than ...
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1answer
112 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 ...
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1answer
158 views

Manned entry to Mars

Did Insight have a ballistic entry? If so, does NASA plan a ballistic or skip-glide entry for manned missions to Mars?
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37 views

How long to surpass Voyager satellite distances using modern technology? [duplicate]

NASA's JPL just recently acknowledged that Voyager II has now joined Voyager I in entering interstellar space after 41 years of space travel. This got me to wondering: when will we ever get to Alpha ...
2
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1answer
41 views

How well the orbits of Jupiter Trojans to be visited by Lucy may be predicted?

The orbits of the large planets are very well known and their position may be precisely predicted for the planning of complex swing by maneuvers of interplanetary space probes. There are exact ...
6
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1answer
2k views

What was the colour of the shoes used by the Apollo astronauts in moon landing?

The pictures from Apollo landing despite being in high resolution, does not reveal the right colour of the shoes used by the astronauts during the EVA on the moon. An example - Buzz Aldrin picture ...
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4answers
373 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 ...
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1answer
142 views

What is this retroreflector on the Mars InSight lander used for?

I saw an image of the ISight lander in this answer. I cropped the image from the much larger image PIA22540. What is this small optical retroreflector used for? Laser ranging from a Mars orbiter ...
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1answer
314 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 ...
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0answers
27 views

Do astronauts currently need to retire from NASA before they can associate themselves with products?

NASA administrator Jim Bridenstine raised the idea that NASA astronauts could somehow be associated with commercial products in his address to the NASA Advisory Council a few months ago. After around ...
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1answer
236 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," ...
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256 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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2answers
156 views

Is there a live feed from InSight anywhere?

OK so I know it's not "live" given the distances involved (so you can put your pedant hat away), but is there a feed where we can see the images & video from it more or less at the same time as ...
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2answers
279 views

Understanding the information contained in the Deep Space Network XML data?

NASA's Deep Space Network activity can be viewed conveniently at https://eyes.nasa.gov/dsn/dsn.html but if you would like data in a more raw XML form, it can be accessed as described in this answer ...
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2answers
354 views

Could InSight lift off and move somewhere else?

InSight used its built-in thrusters for the final stretch of the Entry, Descent and Landing, and the thrusters seem to still be attached. Would it have been at all possible for InSight to lift off ...
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1answer
98 views

How do you find lunar flyby using Apollo 13 mission report data?

Link to mission report: https://www.hq.nasa.gov/alsj/a13/A13_MissionReport.pdf So Im trying to do analysis on the mission phases of Apollo 13 but my part is to only focus on the flyby part. My ...
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3answers
1k views

Won't the heat sensor probe interfere with the seismometer?

I've read that the Mars InSight Seismometer will be deployed before the HP3 probe. Won't the digging interfere with the seismometer? Or the shock produced will be small enough to be dissipated by the ...
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1answer
212 views

Does Mars Reconnaissance Orbiter require “reprogramming” when handling communications for newer spacecraft or landers?

While I was going through the question What happens to Insight's parachute? I learned of the role of the Mars Reconnaissance Orbiter to provide reliable communication between other Mars spacecraft and/...
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1answer
226 views

Power and frequency units used in Deep Space Network XML data?

NASA's Deep Space Network activity can be viewed conveniently at https://eyes.nasa.gov/dsn/dsn.html but if you would like data in a more raw XML form, it can be accessed as described in this answer ...
3
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2answers
749 views

Why was MarCO-B CubeSats flying away after InSight landed?

Farewell to Mars November 26, 2018 MarCO-B, one of the experimental Mars Cube One (MarCO) CubeSats, took this image of Mars from about 4,700 miles (6,000 kilometers) away during its flyby of ...
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3answers
6k views

Why was it necessary to program InSight with an ability to land in dust storms?

If the entire event of EDL (Entry - Descent - Landing) is going to take only 7 minutes and if the command to begin could be signalled based on ground weather conditions, why was it necessary to take ...
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1answer
95 views

Is the payload HP3, onboard the InSight a single use instrument?

InSight's HP3 probe is meant to drill deep into Martian soil. And the depth of reach is determined by whether there is a rocky layer underneath or not. If it's loose soil all the way down, merrier it ...
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3answers
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What happens to Insight's parachute on Mars?

All of the animations I see show the heat shield detaching and falling to the ground, then Insight detaching and landing. There is no information about what happens with the upper part of the heat ...
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0answers
40 views

How composite materials used in space tech? [closed]

guys, my name is Muhamed-Kanapiya. Now I am studying at Eurasian National University in Astana, and my specialization is Space vehicles and technologies. My master`s work about using composite ...
9
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1answer
838 views

Why is InSight's nylon parachute a “soft good”?

NBC News' Mars InSight's landing team leader is all 'nerves and excitement' ahead of risky touchdown includes a conversation with Rob Grover, "who leads the team in charge of InSight's landing at NASA'...
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1answer
269 views

How accurate is the following claim about NASA, from the movie Martian?

Teddy, Director of NASA and Vincent Kapoor has the following discussion about getting satellites above Ares 3 landing site. TEDDY: We’re a public domain organization. We have to be transparent ...
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1answer
78 views

Why NASA hosts many of their reports public, while ESA/JAXA/ Roscomos doesn't?

There are abundant resources available online in NTRS about the hard earned knowledge of rocket science. But NASA makes them available for free for all. But there does exist some classified ...
3
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1answer
121 views

InSight's Mars touchdown on 26th November 2018

According to information on Mars InSight Mission official website, InSight is set to land on November 26 at approximately 15:00 EST (excluding pre & post-landing news conference). I am staying in ...
3
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1answer
147 views

Current and near-future space suit odor reduction technology

Fox News' Bill Nye says Mars colonies won't happen: 'Are you guys high?' gives some highlights of science educator Bill Nye (The Science Guy)'s thoughts on Mars, moving there, living in artificial ...
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527 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 ...
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2answers
3k views

Were there any CAPCOMs who were not astronauts?

The capsule communicator (CAPCOM) is the person in mission control who speaks to the astronauts. The position was invented by NASA's first flight director, Chris Kraft, who believed it would be best ...
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184 views

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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1answer
510 views

Calculations Apollo astronauts were trained to do by hand if loss of guidance computer and/or data & coms link to Earth?

This answer to the question is it possible to navigate space travel with no computer? currently contains the line Yes, as long as you don't care where you end up but I am not so sure this is true. ...
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1answer
194 views

How will the Gateway-before-boots sequence benefit US business, economic and technological development?

Update: Several people were kind enough to make helpful suggestions about this question. I'm looking strictly for well-reasoned, fact-based answer only. Thanks! In the question More complete source ...
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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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1answer
156 views

Help reading this Mercury era NASA “ancient” iconography

In a collectspace.com forum, I found the following (merged) thread containing images, questions and answers: http://www.collectspace.com/ubb/Forum29/HTML/000962.html The two images below are ...
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CAPCOM Console at Mercury Control Center; what does “Desired Retrofire Setting” time display mean?

Wikipedia's Cape Canaveral Air Force Station page links to the image Alan Shepard in Mercury Control Center (shown below). The console has two large digital time displays. One is dedicated GMT but ...
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0answers
332 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 ...