ProfRob

Scientists are not dependent on the ideas of a single man, but on the combined wisdom of thousands of men, all thinking of the same problem - Ernest Rutherford (but I'm sure he meant women too...)

top accounts reputation activity subscriptions

Could (old) LIGO have detected GW150914?

gravitational-waves interferometry ligo asked Feb 14, 2016 at 19:11

physics.stackexchange.com

33 votes

Can the Sun capture dark matter gravitationally?

astrophysics sun dark-matter asked Mar 16, 2015 at 23:46

physics.stackexchange.com

26 votes

Is the existence of electromagnetic standing waves dependent on the observers reference frame?

electromagnetism special-relativity waves asked Mar 31, 2014 at 22:31

physics.stackexchange.com

24 votes

Black hole "no hair" theorem

particle-physics black-holes no-hair-theorem asked Oct 22, 2014 at 12:47

physics.stackexchange.com

22 votes

Multi-messenger astronomy: what is the potential of simultaneous detection of gravitational waves and neutrinos from a supernova?

supernova gravitational-waves interferometry neutrinos time-domain-astronomy asked Oct 2, 2016 at 15:53

astronomy.stackexchange.com

20 votes

What are Kepler's laws (as he wrote them)?

planet history orbital-mechanics johannes-kepler asked Oct 17, 2018 at 8:10

astronomy.stackexchange.com

16 votes

Do the integral forms of Maxwell's Equations have limited applicability because of retardation?

electromagnetism special-relativity magnetic-fields current maxwell-equations asked Feb 1, 2015 at 11:01

physics.stackexchange.com

13 votes

Are the orientations of spin-axes and binary/planetary orbits random or is there any relationship with the Galactic plane?

angular-momentum orbital-motion galaxies milky-way binary asked Nov 22, 2014 at 22:21

physics.stackexchange.com

13 votes

Why hasn't VLBI been used to try and image giant exoplanets?

observational-astronomy exoplanet radio-astronomy interferometry vlbi asked Feb 13, 2023 at 16:55

astronomy.stackexchange.com

12 votes

If we could build a telescope to view the cosmic neutrino background, what would we see?

cosmology big-bang neutrinos asked Aug 31, 2014 at 8:16

physics.stackexchange.com

Top Answers

235

If I sliced the universe in half, would the slice go through a star?

physics.stackexchange.com

198

Seeing something from only one angle means you have only seen (what?)% of its surface area at most?

physics.stackexchange.com

177

Why is the discovery of merging neutron stars important?

astronomy.stackexchange.com

177

How can there be 1,000 stellar ancestors before our Sun?

astronomy.stackexchange.com

115

Would we have more than 8 minutes of light, if the Sun "went out"?

astronomy.stackexchange.com

114

Why aren't there spherical galaxies?

physics.stackexchange.com

107

Why are protons, rather than electrons, the nucleus in atoms?

physics.stackexchange.com

101

Could the dinosaurs have seen the asteroid that killed them?

astronomy.stackexchange.com

Why doesn't the nuclear fusion in a star make it explode?

physics.stackexchange.com

How can we see planets thousands of light years away but don't know if there are more planets in the solar system?

physics.stackexchange.com

Why is hydrogen the most abundant element in the Universe?

physics.stackexchange.com

Why are stars white?

physics.stackexchange.com

Is it dark inside the Sun?

astronomy.stackexchange.com

Do solar systems typically spin in the same direction as their galaxy?

physics.stackexchange.com

What happens to the 99.9 % of the sun-rays that do not fall on any planets or any other celestial body?

astronomy.stackexchange.com

Why is the Sun almost perfectly spherical?

physics.stackexchange.com

What is the origin of elements heavier than iron?

physics.stackexchange.com

Can a gym be built to supply electricity to homes?

physics.stackexchange.com

Which atom is a Neutron star made of?

astronomy.stackexchange.com

Why is the Cosmic Microwave Background evidence of a hotter, denser early universe?

physics.stackexchange.com

Did I see another planet?

astronomy.stackexchange.com

Why is Andromeda only partially blue-shifted?

physics.stackexchange.com

If you sliced the moon in half perfectly, would it hold together?

physics.stackexchange.com

Sun's power density compared to a compost heap

physics.stackexchange.com

If iron can’t undergo fusion, does that mean a black hole is mostly iron?

physics.stackexchange.com

What would happen if Jupiter collided with the Sun?

physics.stackexchange.com

Why is Gaia operating around Earth orbit? Why not send it to Neptune's orbit?

astronomy.stackexchange.com

Why does moonlight have a lower color temperature?

physics.stackexchange.com

Why would a black hole explode?

physics.stackexchange.com

Can a neutron star become a black hole via cooling?

physics.stackexchange.com