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Active 1 Bountied Hot Week Month
3 votes
2 answers
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Differences between the crust of the Moon being different between the near side and the far side

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Fred
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4 votes
1 answer
240 views

Rocket Engine Failure Rate

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Organic Marble
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15 votes
2 answers
936 views

What kind of heating would occur during a suborbital re-entry?

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12 votes
1 answer
790 views

What is this small white device with LCD and 10 keys on the International Space Station?

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1 vote
2 answers
117 views

can we estimate the number of habitable planets within a specified distance from Earth?

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Edgar Zapata
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22 votes
4 answers
3k views

How do space probes find their way and how much fuel do they use to travel?

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C.F.G
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1 answer
64 views

Circularization of an orbit on gmat

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uhoh
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3 votes
1 answer
70 views

Would Li-Ion batteries for a lunar base energy storage system be transported to the base charged or uncharged?

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Christopher James Huff
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21 votes
1 answer
2k views

What was the purpose of the small red tank attached to the Titan-Centaur launcher?

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Kozuch
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5 votes
2 answers
86 views

Would a laser seismometer work from lunar orbit?

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uhoh
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5 votes
1 answer
81 views

"Received power" on NASA's DSN web page

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uhoh
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25 votes
5 answers
3k views

How well can Voyager 1 separate Earth signals from Solar noise these days?

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Ryan C
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6 votes
1 answer
1k views

What amount of unburned methane was released in the atmosphere during the Starship orbital test abort?

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Russell Borogove
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6 votes
3 answers
635 views

Did any astronaut take a Bible into space?

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Russell Borogove
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