Questions tagged [nasa]

Questions regarding the National Aeronautics and Space Administration, the American civilian space agency.

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35 views

What does G/IG signify in the galaxy names ESO 012- G 014 and ESO 293-IG 034?

The NASA/IPAC EXTRAGALACTIC DATABASE (NED) lists galaxies from the European Southern Observatory (ESO) catalog as G (ESO 012- G 014) or IG (ESO 293-IG 034). What does G/IG signify?
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1answer
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Pair together light curve and radial velocity data of specified star

I would like to create a web application that works with light curves and radial velocities of stars with exoplanets. I found a NASA bulk data download with both light curves and radial velocities (it'...
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Where can I find initial conditions (velocities) for NASA missions?

I am trying to simulate the launch of gravity assisted NASA satellites (specifically Galileo, Cassini, and Juno), but I am struggling to find the initial conditions for my simulation. I have tried ...
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Moving objects in the sky tonight 27th March 2020 [duplicate]

Multiple moving objects not in a line. The are staggered single line and in groups of two or three. One or two moved downward. They had a dim light orangey colour. It was not obvious that these ...
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1answer
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How can I download all of this JPL MRO imaging data at once?

There are several files. I think that they all needs to downloaded to have the complete dataset. Is there a particularly good way to download them all in one shot? https://pds-imaging.jpl.nasa.gov/...
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1answer
57 views

How official is TNO 486958, 2014 MU69's new name Arrokoth?

The Trans-Neptunian object 486958 or 2014 MU69 has had several designations and nicknames. According to Phys.org's NASA renames faraway ice world 'Arrokoth' after backlash Ultima Thule, the ...
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1answer
67 views

Astronomical animations of deep space objects

Is there any real animations from NASA or others (not simulation or Artist's impression) like this https://svs.gsfc.nasa.gov/vis/a000000/a004400/a004442/frames/730x730_1x1_30p/ or this https://...
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1answer
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Did NASA/JPL get “waning” and “waxing” backwards in this video?

The NASA JPL video What's Up: September 2019 Skywatching Tips from NASA says (per both the closed captions and audio): We’re in a several-month period right now when the new Moon falls right around ...
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Why does the Earth have a z-component at the start of the J2000 epoch?

When I go to the NASA HORIZONS webpage https://ssd.jpl.nasa.gov/horizons.cgi and ask for the VECTOR coordinates of the Earth on 1 January 2000, it tells me that Earth has the following coordinates ...
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1answer
152 views

High quality, detailed images of planets on web

I have been looking for images of the planets and have found pretty decent ones of Earth and Venus from NASA. That detail is opposed to this one of Uranus: And these of Mars, (and this and this) I ...
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1answer
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What are the most popular galaxies for which we have images? [closed]

The only galaxies I can think of (not being an astronomer) are Andromeda and Milky Way. There are 51 near galaxies, but they all pretty much say "satellite of Milky way" or "satellite of Andromeda". ...
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How to caclulate the chinese Three Gorges Dam impact on Earth rotation? [closed]

According to this January 2005 NASA JPL News item NASA Details Earthquake Effects on the Earth, the Three Gorges Dam has slowed down Earth's rotation by 0.06 microseconds per day. Having that weight ...
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2answers
279 views

What is the coordinate acceleration for pure radial motion?

As seen in this answer and also in this book chapter 6, page 6-10 expression 22, when you are falling in radially from being at rest at infinity your velocity in coordinate time, as seen from a ...
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Agena docking in First Man [closed]

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 ...
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What produces gravitational waves with “periods between about 100 - 8000 seconds”?

The Ulysses mission has a compelling story. I was sent to Jupiter to perform a gravitational assist shooting it out of the plane of the ecliptic in order to fly over the Sun's north and south poles to ...
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Was NASA's 2007 attempt to see helions during a solar eclipse successful? What instruments were used?

This answer about Sun-grazing comets led me eventually to Wikipedia's Helion (meteoroid), which has a one-sentence long article: A Helion meteoroid is a meteoroid that arrives from the approximate ...
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1answer
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Does the KBO 2014-MU69 have two numbers and entries in asteroid databases? How did it get promoted to Major Body designation?

In this answer I show that the (now pretty famous) Kuiper Belt Object 2014-MU69 has two entries in JPL's ephemeris generating Horizons site; Major Body ...
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Why does it take so long to transmit an image from New Horizons to Earth?

I just got the news that the New Horizons space probe has passed by some remote planet on the edge of the solar system. I was surprised that the guy from NASA says that it might take 24 months from ...
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286 views

Calculating the Size of Earth in the Apollo 8 Earthrise Photo

I was debating with someone online (I know, great way to get nowhere fast) regarding the size of Earth as it appears in the famous 'Earthrise' photos from Apollo 8. Below is an accurate (almost pixel-...
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Can NASA's sound recordings of planets, and photos of astronomical bodies, be used freely in for-profit projects? [closed]

Can NASA's sound recordings, and photos of, astronomical bodies be used in for-profit/commercial projects (movies, video games)? I've read NASA's Media Usage Guidelines, but am still not sure. (here'...
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1answer
59 views

Does anybody know date of publishing of following spirit rover image in NASA apod?

I want to find this image in the following linked index. https://apod.nasa.gov/apod/archivepix.html
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What are the best places near Kennedy Space Center to watch a night launch? [closed]

Will the below official launch viewing areas be open for a night launch (Atlas V at 7:40 p.m. on 18 Jan 2018)? If not, what are the other options? THE LC-39 OBSERVATION GANTRY APOLLO/SATURN V CENTER ...
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1answer
198 views

How can we ge to the exoplanet Proxima b? [closed]

I would like to know please how can we get to the exoplanet Proxima b. I heard it is the potentially habitable exoplanet closet to Earth at only 4.2 light years away. So exciting!
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1answer
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Blood Moon Identification in NASA reports [duplicate]

Often I look at NASA's Eclipse Web Site. More specifically, I often look at the Index to Five Millennium Catalog of Lunar Eclipse. How can I tell if an eclipse results in a "blood moon"? I know not ...
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How was Trappist-1 discovered?

I was going through all the questions in this community related to TRAPPIST-1 in order to know how planets TRAPPIST-1b to TRAPPIST-1h were discovered, but there aren't any. How were they discovered?
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672 views

Will JWST be as durable as the hubble telescope?

JW Space Telescope is designed for a 5-10 year mission duration. Seeing as Hubble and other space missions have paved the way for JWST for reliability issues, It even has zero friction gyro's with 100+...
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2answers
107 views

Which observatories help NASA find 5 new asteroids per day?

I just read the following in the NPR website news article NASA's New 'Intruder Alert' System Spots An Incoming Asteroid. NASA pays for several telescopes around the planet to scan the skies on a ...
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454 views

why hasn't Nasa gone back to our Moon? [closed]

why has not Nasa gone back to our Moon since the first landing on the moon
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nasaworking on a way to travel faster than speed of light [closed]

even if they did how will time pass in that ship. Also that ship would require a infinite amount of energy to fight the drag.but what would provide the drag since in space there is nothing to resist?
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What mechanism could have formed the Moon's Oceanus Procellarum rift-like gravity anomalies?

According to the NASA JPL web-report, Gravity Gradients Frame Oceanus Procellarum, a rift-like ring structure surrounding the Moon's Oceanus Procellarum has been detected as a gravity anomaly by the ...
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293 views

Hubble HST scheduling algorithm

NASA developed SPIKE: Intelligent Scheduling of Hubble Space Telescope Observations (HST) and this. My question is simple, is there a programming library, preferably in python or C#, to implement the ...
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Spotting the International Space Station (ISS)

Recently, I visited the NASA website which provides sighting locations to see the International Space Station (ISS). As we all know, we can even see ISS with the naked eye in a clear sky as a passing ...
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If NASA is going to capture an asteroid with a spacecraft, wouldn't a UFO be able to manuever a celestial body? [closed]

This article got me thinking If NASA is going to use our primitive space exploration technology to capture an asteroid wouldn't an Extra Terrestrial species have used UFO's to maneuver celestial ...