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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152 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, ...
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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 ...
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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 ...
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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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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 ...
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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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1answer
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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 ...
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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. ...
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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 ...
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1answer
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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 us,...
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Is SLS capable of launching the core stage into LEO?

After watching the Hazegrayart video If Rockets were Transparent I realized that I didn't really have a clear idea what the Space Launch System (SLS) is capable of doing. Question: Is SLS capable of ...
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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 ...
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“Are we there yet?” (45th Space Wing's goal of being able to support 48 launches per year from Cape Canaveral)

This answer to What does “That's how we drive to 48!” mean? begins "drive to 48" refers to the 45th Space Wing's goal of being able to support 48 launches per year from Cape Canaveral. Has the ...
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What is the distance between one of the mars's satellite revolving near the highest volcano olympus mons and the volcano olympus mons? [closed]

Olympus mons is 27km high-more than three times the height of Mount Everest. Mars needs human landing so would we get a benefit if we landed on olympus mons as our first landing? Would the height be ...
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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 ...
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MMRTG- thermal and electrical output

I haven’t been able to find a definitive number for the thermal output (in watts) of the MMRTG used aboard the Perseverance rover. The numbers I’ve seen range from 1950 watts to over 2000. I also ...
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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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218 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 ...
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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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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 ...
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Was the ISS closer to Baja California or California when this ISS press event started? When exactly did it start?

The NASA video Expedition 63 Inflight with New York Times, Fox News, and USA Today - July 7, 2020 begins with NASA astronaut and Expedition 63 commander Christopher Cassidy discussing with an ...
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1answer
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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 ...
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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" ...
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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 ...
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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 ...
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Why is the highest speed that Voyager 2 achieved from the Jupiter gravity assist not at perijove?

I plotted some data of the speed of Voyager 2 for various times (around the Jupiter flyby) and noticed that the highest speed that Voyager achieved was not at perijove and was wondering why this might ...
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What is the “interesting story” on the limitations of NASA's current near Earth object survey network"?

Axios' NASA emails reveal agency's surprise at asteroid's near-miss of Earth cites Buzzfeed's A “Sneaky” Asteroid Narrowly Missed Earth This Summer. Internal Emails Show How NASA Scientists Totally ...
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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 ...
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What were the two circa 1965 semi-polar missions launched from Cape Canaveral?

Teslarati's SpaceX sets date for first Florida launch of its kind in more than half a century says That November 1960 launch thus shut down East Coast polar launches to avoid overflying Cuba and ...
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How will NASA's TROPICS cubesats be inserted into their three orbital planes and proper phasings?

Rocket to launch 8 cubesat to LEO at an equidistant distance reminded me that I'd never asked this question. NASA's TROPICS 3U cubesat constellation hasn't been launched yet, so there's still time to ...
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79 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. ...
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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; ...
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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 ...
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1answer
227 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,...
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169 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
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Does the Smithsonian get priority over NASA artifacts?

When NASA no longer has a need for an object -- be it a spacesuit, a piece of equipment, or even an entire spacecraft! -- the object usually goes to a museum. It seems that the Smithsonian ...
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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....
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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 ...
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Why was ISEE-3 “the most cost-effective spacecraft we ever had” in 2014?

NPR's 2014 news article and audio podcast: Space Thief Or Hero? One Man's Quest To Reawaken An Old Friend quotes Robert Farquhar (NASA, Wikipedia) when discussing the ISEE-3 mission before the ISEE-3 ...
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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?
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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. ...
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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 ...
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Did the Saturn IB have eight equally spaced fins around its circumference?

This answer to Saturn V Small Rectangles On S-II Stage includes images and links related to the Saturn IB rocket. It shows what I think is an unwrapped representation of part of a circumference which ...
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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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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-...
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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?

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