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mins
  • Member for 9 years, 2 months
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36 votes
Accepted

Were the Apollo lunar activities observed from Earth?

23 votes
Accepted

Earth angular size looking from the ISS

21 votes
Accepted

Why does the Soyuz cover its main engine?

20 votes

When will we have the technology to directly observe an exoplanet with significant clarity?

18 votes
Accepted

How are New Horizons images sent back to Earth?

18 votes
Accepted

What's the typical temperature of a satellite orbiting the Earth?

17 votes

How do we know that Voyager's data is correct?

14 votes
Accepted

How fast can the crew evacuate the ISS? (ACRV)

12 votes
Accepted

Communication Blackout

11 votes
Accepted

Where are the pictures during the time the pictures are sent from space to home?

10 votes

How does GPS work exactly?

10 votes
Accepted

Have there been any studies on the health impacts of prolonged high G?

9 votes

How much of a commercial space launch can be insured?

9 votes
Accepted

How far from the Sun can solar power be used as a reliable energy source?

8 votes
Accepted

Do Astronauts snore when sleeping in Zero G?

8 votes
Accepted

Book recommendation for Apollo program, very specific

7 votes

Solar flux on (not at) Earth

7 votes
Accepted

Is there an explanation for repeating Soyuz accidents involving misfiring of explosive bolts?

6 votes

MCC21 FCR Display Closeup or Hi-res

6 votes

Why does data transfer rate decrease with distance

5 votes

Philae - organic molecules?

4 votes

Single-shot Blue Marble pictures

4 votes

What are the mission control backup options on a satellite/space-craft?

4 votes

How often do astronauts suffer headaches, migraines, etc. in microgravity?

4 votes

What is the maximum velocity at which Soyuz TMA-M may transit through Earth' atmosphere at reentry without a heat-shield?

2 votes

Solar sail force calculation: Angle vector

2 votes

Can you buy land on the moon?

1 vote

Selfies on the Moon