uhoh's user avatar
uhoh's user avatar
uhoh's user avatar
uhoh
  • Member for 8 years, 6 months
  • Last seen this week
  • Taipei, Earth
102 votes
Accepted

If a massive object like Jupiter flew past the Earth how close would it need to come to pull people off of the surface?

71 votes

Sun constantly converts mass into energy, will this cause its gravity to decrease?

56 votes

Why does the alignment evaluation image from JWST look like this?

50 votes
Accepted

How does the earth cast straight and reversed shadows on the moon?

44 votes
Accepted

Why does the Moon appear gray when passing between the Sun and the Earth?

31 votes
Accepted

Could we carve a large radio dish in the Antarctic ice?

29 votes

Is Venus in some way tidally locked to... Earth?

27 votes

Why would it be very light out at 3 AM?

27 votes
Accepted

Are there places in the Universe without gravity?

27 votes
Accepted

Is it possible to see mercury transit "clearly" by the naked eye?

26 votes

Why do small mirror imperfections matter with modern computers

24 votes
Accepted

How did Arecibo detect methane lakes on Titan, and image Saturn's rings?

24 votes

Is it possible to do moon sighting in advance for 5 years with 100% accuracy?

23 votes
Accepted

Milky Way vs Milky Way Galaxy

23 votes

Can a satellite stay in one place but not above equator?

23 votes

During an eclipse, how big is the shadow of the moon on the earth?

22 votes
Accepted

Can you see the shadow of a spaceship on the Moon while looking towards the Earth?

22 votes

Why was Jupiter so bright; is it the "phase"?

21 votes
Accepted

Why use a large separate starshade instead of an occulting disk?

20 votes

In this image taken by Voyager 1, which is closer: the earth or the moon?

19 votes
Accepted

Can large scientific telescopes observe the Moon without being damaged?

19 votes

Is it possible to have satellites (natural or not) orbit the same celestial object in different directions ? (clockwise, counterclockwise)

18 votes

Can an object from a natural process escape earth gravitation?

18 votes

Does the sun's rising/setting angle change every few months?

17 votes

How does NASA figure out orbital period and mass data for planets and other celestial bodies?

17 votes
Accepted

Can a magnetic field of an object be stronger than its gravity?

17 votes

Why don’t we feel the Earth rotating beneath us?

16 votes

Does anything orbit the Sun faster than Mercury?

16 votes

Is it possible to do planet observation during the day?

15 votes

What it the outer part of the sun, that we see with our eyes, called?

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