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Questions tagged [retroreflector]

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2answers
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How soon after “The Eagle” landed did they first attempt to bounce a laser off the Moon? When did it first succeed?

The question When did Houston figure out where the Eagle had landed? says (in part): During Apollo 11's stay on the surface, Michael Collins was given seven different locations to look for the ...
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4answers
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Does the International Space Station get TV?

For obvious reasons the ISS cannot get cable TV. Can the ISS get the new digital air TV or satellite TV using an issued dish and receiver like a house? How would that be done compared to how it is ...
3
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1answer
108 views

Why do the LAGEOS' satellites have four germanium corner cube reflectors out of over 400?

When I was writing this answer about the LAGEOS satellites, I noticed that only four of the over four hundred corner reflectors are made of optical germanium rather than fused silica. Fused silica (...
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1answer
71 views

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

For more information and links on The Planetary Society's LightSail 2 and its corner cube retroreflectors, see the question Planetary Society's LightSail Spacecraft's corner cube reflectors; how large,...
2
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1answer
111 views

How will the corner cube retroreflector array be used on Sentinel 3B?

The Spaceflight Now article Photos: Sentinel 3B satellite prepared for launch from Plesetsk Cosmodrome has of course lots of photos. One of them shows a dish antenna covered with shiny, metallized ...
6
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1answer
129 views

Planetary Society's LightSail Spacecraft's corner cube reflectors; how large, and corrected for aberration?

The Planetary Society's new 3U cubesat LightSail spacecraft (mentioned in this answer) has corner-cube retroreflectors on on the 10x10 cm +z end, facing directly away from the sail, which will be ...
7
votes
0answers
253 views

Have LAGEOS' germanium corner cube reflectors ever been used?

When I was writing this answer about the LAGEOS satellites, I notices that four of the over four hundred corner reflectors are made of optical germanium rather than fused silica. Fused silica (FS) ...
1
vote
1answer
436 views

Could Schiaparelli's retroreflector array (still) be used?

update 2: It appears Schiaparelli has already been located by satellite. This still represents the first laser ranging retroreflector array deployed beyond the Earth-Moon system! So assuming it is now ...