Mark Foskey

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Why are the Pillars of Creation pillar-shaped?

star-formation nebulae asked Oct 25, 2022 at 4:41

astronomy.stackexchange.com

30 votes

Could the lunar module have moved to a different spot?

apollo-program lunar-landing lunar-module asked Mar 14, 2020 at 21:18

space.stackexchange.com

29 votes

Why is tantalum being used for the Hayabusa bullets?

probe materials sample-return asked Jul 30, 2019 at 4:38

space.stackexchange.com

17 votes

Why is a 2/3 vote required for the Dec 28, 2020 attempt to increase the stimulus checks to $2000?

united-states house-of-representatives house-rules asked Dec 28, 2020 at 22:58

politics.stackexchange.com

14 votes

What windows does the ISS have besides the Cupola?

iss spacecraft-window asked Jan 24 at 14:06

space.stackexchange.com

13 votes

What caused the jitter in the DART video as it approached Dimorphos?

orbital-mechanics probe asteroid flight-control dart asked Sep 27, 2022 at 20:42

space.stackexchange.com

12 votes

When regenerative cooling is used, how is the nonuniform radius of the combustion chamber handled?

propulsion engine-design asked Sep 9, 2018 at 21:39

space.stackexchange.com

12 votes

How does the JWST sunshade cover release work?

james-webb-telescope mechanisms asked Dec 31, 2021 at 5:21

space.stackexchange.com

11 votes

Are rogue planets ever born in isolation?

planetary-formation rogue-planet asked Apr 24, 2018 at 16:18

astronomy.stackexchange.com

10 votes

Is there a closest free-return trajectory to a black hole?

black-hole general-relativity supermassive-black-hole event-horizon asked Apr 11, 2021 at 20:47

astronomy.stackexchange.com

Top Answers

Why were the Voyager spacecraft numbered "out-of-order"?

space.stackexchange.com

Why can't the Earth's core melt the whole planet?

physics.stackexchange.com

"On the grounds that" suggests the reason isn’t really a good one

ell.stackexchange.com

Apollo: what was the big deal?

space.stackexchange.com

Does Virgin Galactic experience real weightlessness?

space.stackexchange.com

Why do we need to make probes land on other planets or moons?

space.stackexchange.com

Could liquid water have existed in open space 15 million years after the Big Bang?

astronomy.stackexchange.com

Why has Pakistan never faced the wrath of the USA similar to other countries in the region, especially Iran?

politics.stackexchange.com

Why doesn’t NASA build its rockets using graphene?

space.stackexchange.com

Why did Saturn V not head straight to the moon?

space.stackexchange.com

Temperature of the moon 4ft off the surface

space.stackexchange.com

Can a satellite or a planet orbit a planet/star without rotating around its own axis?

physics.stackexchange.com

Did the Moon really "ring like a bell" when "Apollo 12 punted its ascent stage" into it? If "no one knows why" exactly, what are the primary theories?

space.stackexchange.com

How can someone reject a math result if everything has to be proved?

math.stackexchange.com

Why was the imaging quality of the Voyager probes *much* better than the Pioneer probes despite being launched only 5 years later?

space.stackexchange.com

If an astronaut threw a cup of coffee into space, would it freeze, or boil off into gas?

space.stackexchange.com

How feasible would this mission to Proxima Centauri be?

space.stackexchange.com

Why are probes that tend to explore outer system always launched to go outwards instead of straight upwards or downwards?

space.stackexchange.com

Is it possible for a moon to have a higher surface gravity than the planet it is attached to?

space.stackexchange.com

Is there a word in a dead or lost language that we lost the definition to?

linguistics.stackexchange.com

What is an electromagnetic wave exactly?

physics.stackexchange.com

Do professors need to pay to send letters of recommendation via postal mail?

academia.stackexchange.com

Why aren't we bumping into objects outside of the visible range?

physics.stackexchange.com

What kept the Soviets from going to the Moon (before the US)?

space.stackexchange.com

Why can I see through this astronaut on the Apollo 11 footage?

photo.stackexchange.com

If Earth had a second moon, where would it be positioned?

space.stackexchange.com

Can Maglev trains ever reach escape velocity?

space.stackexchange.com

Why did Neil Armstrong alone, not NASA, end up coming up with the first words uttered on the moon?

space.stackexchange.com

What is wrong with "have put" in "I have put the water in the freezer"?

ell.stackexchange.com

If a spaceship ran out of fuel somewhere in space between Earth and Mars, does it slowly drift off to the Sun?

space.stackexchange.com