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40 votes
Accepted

Does the International Space Station get TV?

More or less. While the ISS is below the satellites use for TV transmissions, it is passing by so fast that the coverage will be highly intermittent, meaning that you would be able to watch a ...
Antzi's user avatar
  • 12.6k
15 votes

Does the International Space Station get TV?

@Antzi's answer is right, but I'll add some context as a supplement. While Doppler (mentioned there) might or might not be an issue for an off-the-shelf commercial satellite TV box (I don't know) it ...
uhoh's user avatar
  • 149k
8 votes

What was the point of the laser reflectors which were placed on the Moon with the Apollo landings?

However, the second link doesn't mention anything about the purpose of this being to verify that humans landed on the Moon. It goes on to mention the year "1962", which is before any humans had ...
Russell Borogove's user avatar
7 votes

Does the International Space Station get TV?

Can the ISS get the new digital air TV or satellite TV... As far as Digital over the air TV is concerned, it's the same as old-fashioned TV in that both are transmitted from terrestrial transmitters....
Anthony X's user avatar
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6 votes
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Could Beresheet's retroreflector array (still) be used?

The final impact velocity of Beresheet with the lunar surface has been estimated as around 1000 meters per second, comparable to the muzzle velocity of a rifle bullet. While the impact was glancing, ...
Ilmari Karonen's user avatar
6 votes
Accepted

How soon after "The Eagle" landed did they first attempt to bounce a laser off the Moon? When did it first succeed?

Apollo 11 retro reflector was placed on the Moon on 21 July 1969, the first successful use of the reflector was on August 1 and 3 by the Lick Observatory. Returns were observed on August 20, ...
Uwe's user avatar
  • 49k
5 votes

Does the International Space Station get TV?

It apparently is possible to watch TV on the ISS. Here is a picture of three astronauts aboard the ISS watching a live transmission of a football game from the FIFA world cup in 2014: You might ...
Philipp's user avatar
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5 votes
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Why do the LAGEOS' satellites have four germanium corner cube reflectors out of over 400?

D.A. Arnold "Optical and Infrared Transfer Function of the Lageos Retroreflector Array", 1978, NGR 09-015-002 (P179) confirms that they're for infrared measurements, and adds some interesting info: ...
Bob Jacobsen's user avatar
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4 votes
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Planetary Society's LightSail Spacecraft's corner cube reflectors; how large, and corrected for aberration?

LightSail 1 7 cubes: 4 X 10mm diameter + 3 X 12.5mm diameter https://ilrs.cddis.eosdis.nasa.gov/docs/2014/Appendix_forILRS_Form_20141217.pdf LightSail 2 On LightSail 2, they added more corner cube ...
M.A.H.'s user avatar
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3 votes

What exactly is a "Next Generation Lunar Reflector"? Difference in design and performance?

Because it's bigger? Otherwise seems to be a standard corner reflector. Upon googling I came across this which gives a good description of the differences between the original and TNG reflectors. ...
BobT's user avatar
  • 1,221
3 votes

How soon after "The Eagle" landed did they first attempt to bounce a laser off the Moon? When did it first succeed?

The first use of LIDAR to measure the distance to the moon was in 1962, around seven years before Apollo 11. https://en.wikipedia.org/wiki/Lunar_Laser_Ranging_experiment#Overview http://adsabs....
Solomon Slow's user avatar
3 votes
Accepted

How will The Planetary Society's LightSail 2 Spacecraft's retroreflectors be used?

This is an answer to "what ground station are they planning to use": Tracking LightSail 2 will be done by International Laser Ranging Service, or ILRS. The ILRS consists of about 40 laser ...
Hobbes's user avatar
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3 votes
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How will the corner cube retroreflector array be used on Sentinel 3B?

That is definitely the Laser Retro Reflector (LRR). They are used to provide very precise ranging information. The Sentinel 3 LRR is a hemisphere of 7 corner cube reflectors on the Earth-facing side ...
Saiboogu's user avatar
  • 6,417
1 vote
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Could Schiaparelli's retroreflector array (still) be used?

Probably not. As mentioned in the comment by @OrganicMarble, Schiaparelli fell without propulsion or parachutes for several kilometers and left a "crater" or at least a significant depression in the ...
uhoh's user avatar
  • 149k

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