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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Aspiring to Build a Space Rover from Scratch – Where to Begin? [closed]
What fundamental concepts, beginner-friendly resources, or online courses would you recommend for someone starting with little to no background in robotics?
At first,
I want to build a an autonomous ...
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Before we build a Mars colony, why don't we build a 100% self-sustainable test colony in the Antarctic?
Before we go to Mars, why don't we build a sealed dome self sustaining colony in the Antarctic? One that can heat itself, recycle all materials, water and waste. Grow enough plants to produce oxygen ...
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Where can I find the video of Apollo 16 floodlight mistaken with a UFO?
So, a few years ago (2004) NASA showed that a picture of a supposed UFO captured by the Apollo 16 astronauts through the window of the Command Module was in fact the floodlight protruding from the ...
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Live_ISS_Stream stopped?
so I've come across this video, 11 hours of ISS transmissions during 2021 ASAT incident by Russia. The description says the footage was archived from this IBM stream site, so I've looked to see if it ...
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Why is ISRO planning to launch Aditya-L1 if NASA has already launched the Parker Solar Probe?
If both the ISRO’s Aditya-L1 and NASA’s Parker Solar Probe have almost the same key objectives,
then why is ISRO planning to launch Aditya-L1? Is there a specific reason or purpose for this decision?
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What is the Modified Apollo option for a potential LEO transport?
In this website (scroll to the bottom), it mentions that
” Nixon’s advisors and NASA officials shifted their attention to developing a new transportation system to low Earth orbit. Options included a ...
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Is there a labelled equivalent of the NASA 4K moon texture files?
Does anyone know whether a labelled version of the NASA 4k moon texture files exists with the same projection?
I would like to be able to overlay and switch between the photographic versions, and a ...
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"Received power" on NASA's DSN web page
Out of curiosity, the "received power" shown for a spacecraft on NASA's "DSN now" web page 1 - is that at the receiver, or at the antenna?
I'm looking at one of the antennas now ...
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How do space probes find their way and how much fuel do they use to travel?
How do space probes find their way, for example, to explore dangerous planets like Jupiter or Saturn that have powerful magnetic fields? Do scientists control it from stations in NASA or they have a ...
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Using NASA Horizons with Celestrak Socrates's TLE CDMs?
Has anyone succeeded with getting a list of Collision Data Messages (CDMs) from nice sites like Celestrak in order to feed them into NASA Horizon's ephemeris computation service. These would include ...
user30059
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Turbo code used in New Horizons - encoding coefficient?
I know that New Horizons uses turbo code with r=1/6 for space communication1, however I don’t know which is the encoding coefficient, because I din’t think it could be 6, it seems it high. Could you ...
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Were there any submissions to NASA's solicitation for 'Lunar Surface Site Preparation' studies in 2022?
Prompted by a now deleted question about practicalities of operating a SpaceX Starship from unprepared terrain on the moon I found this 2022 solicitation for studies around 'Lunar Surface Site ...
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NASA CAPSTONE Radiation shielding
What solutions in radiation shielding or radiation effect mitigation were made on the NASA CAPSTONE mission? Specifically, anything related to radiation shielding is of interest.
I'm having trouble ...
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Is it planned to have the NASA astronauts from the Artemis 2 mission fly again to the moon?
Just recently, NASA announced the astronauts who will fly to the moon (Which is pretty AMESOME!).
Is it planned to fly them on another Artemis mission or are the Artemis astronauts only flying once ...
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How does SpaceX get through regulatory issues so quickly?
"Regulatory" isn't the right word, but I don't know what is.
For example, SpaceX seemed to be able to prove to NASA's satisfaction that they were sufficiently safe to use for crewed launches ...
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How is this estimation so off?
Based on the recent NASA's DART mission, I wrote some code to calculate the satellite's distance and relative velocity based on the the size of Dismorphos (the target asteroid) on the camera frame. ...
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After SLS, what is the next rocket building project for NASA?
I know that ESA is working on a new reusable first stage booster.
Does NASA have similar plans?
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Has the ISP been published for NASAs new rotating detonation engine demonstrator?
Nasa just announced successful testing of their new rotating detonation engine:
https://www.nasa.gov/centers/marshall/feature/nasa-validates-revolutionary-propulsion-design-for-deep-space-missions
I ...
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Were any of the Apollo astronauts smokers and did that cause any problems?
Onboard the Apollo capsule, the astronauts probably weren’t allowed to smoke because of the risk. Apollo 1 blew up because of a small spark in a pure oxygen environment. Even though NASA changed the ...
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Artemis 1 Low Earth Orbit 16 Nov 2022
As per data the apogee is at 1806 km and changed perigree at 185 km. Thus the orbital period works out to 105 minutes. Assuming perigree raise manoeuvre was at apogee the time taken from apogee to ...
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Can Nuclear Pulse Propulsion (Project Orion) accelerate a 100,000 ton M-type (metallic) asteroid to a LEO? [closed]
Project Orion: specific impulse in the range of 6,000 seconds.
For example – Starship Interplanetary (SpaceX):
Max Fuel (after refueling at orbit) - 1,950 ton
Fuel left after arriving at NEO asteroid –...
anon
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NASA GMAT ver. R2020a installation issue (Windows)
I have several questions regarding how to install NASA GMAT ver. R2020a into Windows. I'm installing it onto a Win10 PC with 16 GB RAM.
Meaning, when I downloaded ver. R2016a, there was an included ...
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How would I calculate the resulting orbit of Dimorphos around Didymos A after the DART mission?
I have been trying to find a way to calculate how the DART mission affected Didymos A, independent of NASA's findings. I found one answer to this question, but it was as if they ignored Didymos A and ...
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Main engine gimballing in Saturn V
The first stage of Saturn V has 5 main F-1 engines, but only 4 of the outer engines can gimbal and the engine at the center was fixed (Source : https://youtube.com/clip/...
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How do spin-stabilized rockets conduct gravity turns?
I was reading this NTRS document about a spin-stabilized solids-only small launcher. The paper mentions that the proposed design (called 428A) will be spin-stabilized during launch and gravity turn. ...
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Impact of Fortran in NASA space programs in modern technology?
I was doing some research on the technology behind the Apollo missions and was quite intrigued by how they made the code given the technical limitations of the time. Do any of you know the ways in ...
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The costs of a single SLS solid fuel rocket booster
Why didn’t Nasa cluster four solid fuel shuttle boosters around an Atlas V booster. The thrust would be substantially more than that of the SLS, with no fueling problem on the launch pad. It would be ...
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What is the point of the Artemis program when we had Apollo? [closed]
Considering that NASA evidently already know how to land astronauts on the Moon (thanks to Apollo), what is the point of the Artemis program? For example, the just-launched Artemis 1 is 1) uncrewed ...
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Why use a fetch copter instead of a fetch rover?
Since the success of helicopter Ingenuity, the ESA rover for fetching samples was cancelled in favor of a helicopter. Why was that? What are the advantages.
user49774
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Why is the American space program launch site based in Florida and not closer to the equator?
Why is the American space program launch site based in Florida and not closer to the equator?
How about taking the ESA as an example and building a launch site on say American Samoa? Much closer to ...
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Why does NASA underestimate their own missions? [duplicate]
This question may be a little vague, so I will explain what I mean by this. Most major NASA missions have had a "Mission Life Expectancy". But I've found 8 times out of 10, the spacecraft ...
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Can DART/Dimorphos impact be seen with naked eye?
Can today's DART/Dimorphos impact be seen with naked eye?
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Why does JWST make images of planets from solar system?
NASA has already made images of planets from the solar system
before. So why is NASA/ESA making images of planets from the solar system
by using the JWST instead of exploring unseen parts of universe?...
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If Artemis 1 fails, will it be the end of the program?
The Artemis 1 flight was meant to happen years ago. The program is really expensive and the SLS is not reusable. Other companies like SpaceX or Blue Origin are doing things in a much cheaper and ...
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Why was JWST cancelled in 2011?
I saw this table in this section:
In the third column from the bottom, it says "Proposed cancel":
Why so?
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What happened to the Apollo moon rovers? [duplicate]
I wonder, what happened to the moon rovers? Were they left behind or brought back?
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Most accurate method to find exoplanets?
NASA has found thousands of exoplanets in space using their powerful telescopes. How exactly does NASA do so and what is the best method? I'm assuming that NASA uses some sort of sensor to detect ...
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Why are there so many visible cables on the exterior of the ISS?
Looking at the modules of the ISS every one of them (the Russian ones in particular) seems to be covered by silver and white cables, wires and pipes on the outside. Some of them have been added later ...
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When was Apollo 11 scheduled for July 1969?
I recently read on Wikipedia about Apollo 8's interesting schedule history. Basically, a lunar orbital mission was supposed to be an F mission for 1969, with the LEM tested in lunar orbit. But they ...
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Does the post Apollo 13 roast mixtape still exist?
The debriefing party at the Hofbraugarten was merciless, beginning
with a parody of the mission. The tape prepared by the Apollo 13
backup crew and the CapComs was not for the thin-skinned. The parody
...
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Why did Spirit (MER-A) lose a wheel?
I was watching a documentary called Expedition Mars: Spirit and Opportunity (It's really good, I recommend it, you can find it on Disney+) and it said Spirit lost control of its frontmost right side ...
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Is there any way to predict if the ISS will lose its signal or to know it directly?
I am currently working on a project by using the ISS livestream:
https://video.ibm.com/channel/iss-hdev-payload
But sometimes there is a loss-of-signal and it displays a screen that breaks the ...
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Does NASA have any rocket options to replace ISS segments?
Roscosmos has announced their ISS partnership will end in 2 years
This might have been seen as an indication that the new administration at Roscosmos was in a more cooperative mood. Any such hopes ...
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What kind of hardware and software does the James Webb space telescope computer use?
What kind of software, operating system, database, processor, architecture, antenna used for communication back to Earth, basically what computer does it use.
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Why didn't JWST include any sensors capable of blue and green visible wavelengths
JWST wavelength sensing starts at 600nm, corresponding to red/orange visible light, and then into the IR. It seems there is no sensor or filter included below 600nm meaning that green and blue light ...
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What is the orange material seen within the window frames of the Columbia Shuttle?
I'm seeing this orange material within the windows of Columbia shuttles -- any thoughts on its precise function? The ISS's Cupola also contains similar international orange bands, though they seem ...
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Why did NASA release JWST image of SMACS 0723 one day before the scheduled time?
A few hours ago, NASA released JWST image of galaxy cluster SMACS 0723
one day before the scheduled time:
President Joe Biden unveiled this image of galaxy cluster SMACS 0723, known as Webb’s First ...
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How to calculate Earth to Sun distance given NASA DSCOVR j2000 coordinates
I am using NASA EPIC api to fetch daily earth imagery. Along with the images it also gives certain data regarding the position of certain bodies like sun, earth, moon and satellite itself. These ...
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What is that black thing in center of every star in this JWST image?
I circled that black thing in this image with blue color:
The image above, which NASA released on Wednesday (July 6, 2022), represents 32 hours of observing time
from JWST's Fine Guidance Sensor.
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Are first official science images of JWST are most far distant images ever taken by space telescope?
In JWST, it says:
NASA has scheduled the first official science images release event for Tuesday, 12 July 2022 at 10:30 am EDT/usa.
Are first official science images of JWST are most far distant ...
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