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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...)

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Top Questions
35 votes

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

25 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

23 votes

Black hole "no hair" theorem

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

19 votes

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

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

11 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

10 votes

If the Sun got larger, but maintained its luminosity, would the Earth get hotter or colder?

sun earth asked Dec 20, 2015 at 8:24
astronomy.stackexchange.com

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Top Answers
223
If I sliced the universe in half, would the slice go through a star?
physics.stackexchange.com

196
Seeing something from only one angle means you have only seen (what?)% of its surface area at most?
physics.stackexchange.com

166
Why is the discovery of merging neutron stars important?
astronomy.stackexchange.com

150
How can there be 1,000 stellar ancestors before our Sun?
astronomy.stackexchange.com

113
Why aren't there spherical galaxies?
physics.stackexchange.com

112
Would we have more than 8 minutes of light, if the Sun "went out"?
astronomy.stackexchange.com

105
Why are protons, rather than electrons, the nucleus in atoms?
physics.stackexchange.com

95
Could the dinosaurs have seen the asteroid that killed them?
astronomy.stackexchange.com

89
Why doesn't the nuclear fusion in a star make it explode?
physics.stackexchange.com

85
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

80
Why is hydrogen the most abundant element in the Universe?
physics.stackexchange.com

76
Why are stars white?
physics.stackexchange.com

70
Do solar systems typically spin in the same direction as their galaxy?
physics.stackexchange.com

66
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

66
Why is the Sun almost perfectly spherical?
physics.stackexchange.com

65
Is it dark inside the Sun?
astronomy.stackexchange.com

63
Can a gym be built to supply electricity to homes?
physics.stackexchange.com

62
What is the origin of elements heavier than iron?
physics.stackexchange.com

60
Why is the Cosmic Microwave Background evidence of a hotter, denser early universe?
physics.stackexchange.com

59
Why is Andromeda only partially blue-shifted?
physics.stackexchange.com

59
Did I see another planet?
astronomy.stackexchange.com

58
If you sliced the moon in half perfectly, would it hold together?
physics.stackexchange.com

58
Which atom is a Neutron star made of?
astronomy.stackexchange.com

57
If iron can’t undergo fusion, does that mean a black hole is mostly iron?
physics.stackexchange.com

55
Sun's power density compared to a compost heap
physics.stackexchange.com

54
What would happen if Jupiter collided with the Sun?
physics.stackexchange.com

52
Why is Gaia operating around Earth orbit? Why not send it to Neptune's orbit?
astronomy.stackexchange.com

51
Why would a black hole explode?
physics.stackexchange.com

50
Why was M87 targeted for the Event Horizon Telescope instead of Sagittarius A*?
physics.stackexchange.com

50
Are binary neutron star mergers needed to explain the abundance of gold?
astronomy.stackexchange.com

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