Questions tagged [surveyor-program]

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What kind of signals and encodings were used to send tilt/pan commands to TV cameras on the Moon (up through Apollo)?

This answer to Has anyone in space beyond LEO seen or has anything photographed a non-pointer laser from Earth? shows a frame from video shot by Surveyor 7 on the Moon, looking at Earth, and ...
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3 votes
1 answer
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Which Apollo 12 astronaut is shown examining the Surveyor 3 lander in this photograph?

I used this image in Exactly what was Surveyor 3 doing with a spring-loaded boxing glove-like device? but in the captions for the image on two NASA sites I noticed a disagreement in the identify of ...
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1 vote
1 answer
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Exactly what was Surveyor 3 doing with a spring-loaded boxing glove-like device?

The thorough moon.NASA.gov/exploration page Moon Missions shows the image below. I learned almost all of what I know about Physics and Engineering from the Wile E. Coyote and the Road Runner cartoons, ...
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5 votes
0 answers
297 views

Is Lunar Horizon Glow still a thing? Has the "dust settled" on the topic?

The title gets its inspiration from Is the Flyby Anomaly still a thing? but the topic is different. The Lunar Horizon Glow is a phenomenon observed by some of the Surveyor missions. While the Sun is ...
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4 votes
0 answers
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Direct transfers to inclined lunar orbits?

I'm trying to find examples of direct earth–moon trajectories ending in inclined low lunar orbits. I've found a few classes, such as those with plane changes between SOI encounter and capture ...
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6 votes
1 answer
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Surveyor TD-339 engines - used on all US powered robotic landers?

I've read that derivatives of the original Thiokol TD-339 model of vernier engine for the Surveyor program was reused in the Viking program, and seen a hint that MSL was using the same heritage design,...
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9 votes
1 answer
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What was learned from study of Surveyor-3's components, retrieved and returned to Earth by Apollo-12?

A comment by @Hobbes on the question How did Apollo-12 manage to land next to Surveyor-3? First “Space-Tourists”? points out that the "souvenirs" removed and retrieved from the Surveyor-3 lander by ...
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25 votes
4 answers
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How did Apollo-12 manage to land next to Surveyor-3? First "Space-Tourists"?

To me this looks like the first instance of space-tourism (humor, pls don't add the tag, see exemplary documentation at end of question). The astronauts landed next to Surveyor-3 on purpose, got out ...
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9 votes
1 answer
301 views

Did the Surveyor missions measure secondary radiation?

Near and on the surface of the Moon, there is not only radiation emanating from the Sun (solar wind, CME, SPE), but also deep space (cosmic) radiation. The cosmic radiation also interacts with the ...
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10 votes
1 answer
401 views

What type of onboard radar did the Surveyor landers use?

The Surveyor landers are the second generation of US lunar spacecraft following the Ranger series. They paved the way for the later soft landings of Apollo. What type of onboard radars were used in ...
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