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MBR
  • Member for 8 years, 11 months
  • Last seen more than a week ago
  • /milkyway/solarsystem/earth/europe/france
39 votes
Accepted

How can we tell that the Milky Way is a spiral galaxy?

35 votes
Accepted

Why has Venus's atmosphere not been stripped away by solar wind?

21 votes

Why is our solar system "tipped" about 63° with respect to the plane of our galaxy?

19 votes
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How could a hobbyist astronomer determine apparent magnitude of a star?

18 votes
Accepted

Why is the Sun's atmosphere (the corona) so hot?

18 votes
Accepted

How dense are Saturn's rings?

17 votes

Why does the Moon stablize Earth's axis?

15 votes
Accepted

What is the evidence that galaxies rotate?

14 votes
Accepted

What is the current routine of modern astronomy?

13 votes
Accepted

What is the difference between asteroids, comets and meteors?

12 votes
Accepted

What is the orbital path of the newly discovered star-less planet PSO J318.5-22?

12 votes
Accepted

What are the current observational constraints on the existence of Nemesis?

11 votes

Hypothetical trans-Neptunian planets orbiting the Sun

11 votes

How do we know dark matter/dark energy exists?

11 votes

Why are some planets so close to their star?

11 votes

How long does it take to produce a star? Why does it take that long?

11 votes

What is there in the intergalactic space?

10 votes
Accepted

What gases are needed to make a star?

10 votes

What is the formula to predict lunar and solar eclipses accurately?

10 votes
Accepted

What study profiles could land me the job of astronomer?

10 votes
Accepted

How does interstellar matter density vary?

9 votes
Accepted

Sources of Turbulence in the ISM

9 votes
Accepted

Why do stars appear to twinkle?

8 votes
Accepted

Is there any evidence that the Gas Giant planets in our solar system are experiencing orbital migration?

8 votes
Accepted

Official registry of lunar placenames?

8 votes

Can protoplanetary disks form main-sequence stars?

7 votes
Accepted

Why do the planets in the Solar system stay in the same orbital plane?

7 votes

How exactly is the Initial Mass Function (IMF) calculated?

6 votes
Accepted

What are some theories that explain the 11 year solar cycle?

6 votes

Why does the Earth have a tilt of ~23°?