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PearsonArtPhoto
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  • Member for 10 years, 9 months
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28 votes

Could liquid airlocks work?

28 votes
Accepted

SpaceX's 4,425 satellite constellation - what's the method to the madness?

28 votes

Is 75 meters an exceptionally close distance for two satellites to pass at >6,000 m/s?

28 votes

Why does the Falcon Heavy Rocket have a higher payload than the Space Shuttle?

28 votes

Could we use a narrow paradigm, say laser, to get info faster from New Horizons? (With a moon base.)

28 votes

Does lower gravity on Mars make it unsafe and unhealthy for humans?

28 votes

Is it possible to throw a baseball so hard it circles the earth above your head?

27 votes

Is Perseverance unable to move?

27 votes

Why would such a powerful computer (or a computer at all) be needed to go to the Moon?

27 votes

Why no recent information about or photos of Ultima Thule?

27 votes
Accepted

Why didn't they launch the Falcon Heavy to be injected into Mars orbit?

27 votes
Accepted

Is water on Mars the same as Earth water?

27 votes

Difference between BlueOrigin and SpaceX rocket landings?

27 votes
Accepted

Where were the various Apollo Lunar Modules (LMs) discarded?

26 votes
Accepted

Are artificial satellites completely sealed or open to space?

26 votes
Accepted

When Mir's attitude control computer failed, why did the station immediately start rotating?

26 votes

Can you really use Arduino for a small spacecraft?

26 votes
Accepted

Why do so few satellites pass over the poles, and why do so many focus on the equator?

26 votes

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

25 votes

What does the Sun-Earth-Moon system look like from the Sun-Earth L-2 point?

25 votes
Accepted

Has any technology been demonstrated that allows a useful payload to survive at least one month on Venus' surface?

25 votes
Accepted

How was dust-mitigation addressed during the Apollo program?

25 votes

If colonists burrowed far enough under the ice on Ganymede or Europa, would the ice provide adequate protection for them from Jupiter's radiation?

24 votes
Accepted

Is there any advantage in launching spacecraft from a high latitude, or why was Plesetsk built so far north?

24 votes

Why should space probes have to orbit the Earth before being launched at other planets?

24 votes

How did Apollo 16 capture this full photograph of the Moon's far side?

23 votes
Accepted

Voyager 3: what would have been its mission, and why was it canceled?

23 votes
Accepted

How Many Martian Lagrange points are there? ...And are they useful for satellites?

23 votes
Accepted

Was SpaceX's launch of Formosat-5 more vertical than normal for any particular reason?

23 votes

Why is Curiosity not heading for Peace Vallis?

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