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Top Questions
72
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
48
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
10
votes
Would stars have formed in the Universe if atomic hydrogen couldn't make molecular hydrogen?
cosmology
stellar-astrophysics
hydrogen
asked Sep 24, 2020 at 9:43
astronomy.stackexchange.com
9
votes
How is Newton's first law compatible with transport equations?
newtonian-mechanics
thermodynamics
entropy
non-equilibrium
asked Feb 10, 2022 at 10:41
physics.stackexchange.com
9
votes
How many stars are in the Milky Way galaxy?
star
galaxy
milky-way
asked Sep 19, 2021 at 20:08
astronomy.stackexchange.com
8
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
1
2
next
Top Answers
153
How exactly is a normal force exerted, at the molecular level?
physics.stackexchange.com
74
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
34
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
10
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
Is it possible to see stars that are gravitationally lensed by the sun from the ground?
astronomy.stackexchange.com
7
Why aren't there HiRISE observation footprints near the Martian poles?
space.stackexchange.com
6
Where can I find historic TLE?
space.stackexchange.com
6
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
5
Moon's rotation and revolution
astronomy.stackexchange.com
5
Where can I find the video of Apollo 16 floodlight mistaken with a UFO?
space.stackexchange.com
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