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Top Questions
67 votes

Is it dark inside the Sun?

the-sun stellar-astrophysics plasma-physics opacity asked Mar 5, 2020 at 20:18
astronomy.stackexchange.com

59 votes

Are the social-distancing measures implemented against SARS-CoV-2 also suppressing the spread of other viruses?

virology theoretical-biology coronavirus epidemiology asked Jun 8, 2020 at 12:59
biology.stackexchange.com

44 votes

Why is the photon clock equivalent to all clocks?

special-relativity time time-dilation thought-experiment asked Aug 3, 2020 at 12:25
physics.stackexchange.com

39 votes

Is it possible to observe space debris with Binoculars?

artificial-satellite debris observation asked Sep 3, 2019 at 11:22
space.stackexchange.com

19 votes

Why are asteroids with zero orbital inclination rare?

asteroids orbital-mechanics orbital-resonance asked Mar 11, 2020 at 2:13
astronomy.stackexchange.com

17 votes

What does the [-] symbol mean in satellite names?

artificial-satellite satellite-flare asked Jul 16, 2020 at 13:13
space.stackexchange.com

7 votes

Where can I find an anisotropic PREM-like model for Earth's interior?

geophysics seismology solid-earth asked Apr 4, 2021 at 12:55
earthscience.stackexchange.com

7 votes

How is Newton's first law compatible with transport equations?

newtonian-mechanics thermodynamics entropy non-equilibrium asked Feb 10 at 10:41
physics.stackexchange.com

7 votes

Wasn't Earth a magma ocean before core-mantle differentiation?

planetary-science geothermal-heat planetary-formation iron asked Jun 1, 2020 at 10:44
earthscience.stackexchange.com

6 votes

Is the pulsar map on the Pioneer/Voyager probes only meaningful for earthlings?

pulsar interstellar-travel seti star-maps asked Oct 24, 2020 at 18:07
astronomy.stackexchange.com

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Top Answers
151
How exactly is a normal force exerted, at the molecular level?
physics.stackexchange.com

72
Why can't we see Saturn's phases from earth?
astronomy.stackexchange.com

67
Are there any space probes or landers which regained communication after being lost?
space.stackexchange.com

55
Why does this image of Jupiter look so strange?
space.stackexchange.com

37
Kepler space telescope undetected planets
astronomy.stackexchange.com

25
Why do planets and satellites in the Solar system look so wildly different if they came from more or less the same matter?
astronomy.stackexchange.com

24
What are these strange rays in the sky?
physics.stackexchange.com

16
Could this estimate of the size and mass of the Chicxulub Impactor be accurate?
astronomy.stackexchange.com

14
Are all satellites thought to be the result of collisions with the planets?
astronomy.stackexchange.com

10
What is a black hole's "shadow" and the best angle to view it to measure the spin?
astronomy.stackexchange.com

9
Why do atoms repel when closer but attract when farther apart?
physics.stackexchange.com

9
Has an astronaut ever seen another object in LEO pass by that wasn't mission-related?
space.stackexchange.com

8
How long would it take for a black hole the mass of our sun to swallow our solar system?
astronomy.stackexchange.com

8
More recent data and simulations of "Milkomeda", the collision of the Milky Way and Andromeda galaxies?
astronomy.stackexchange.com

8
Explanation for an unexpected rainbow
physics.stackexchange.com

8
Force and Accleration
physics.stackexchange.com

7
Why aren't there HiRISE observation footprints near the Martian poles?
space.stackexchange.com

6
Is it possible to see stars that are gravitationally lensed by the sun from the ground?
astronomy.stackexchange.com

6
Where can I find historic TLE?
space.stackexchange.com

5
Do gravitational waves disperse/refract (like EM waves in a prism)?
physics.stackexchange.com

5
Why are so many companies suddenly working on satellite internet?
space.stackexchange.com