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Astronomy
Rory Alsop's user avatar
Rory Alsop's user avatar
Rory Alsop's user avatar
Rory Alsop
  • Member for 10 years, 9 months
  • Last seen this week
  • Scotland, United Kingdom
Profile Activity

77 Answers

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45 votes

Are we really star-stuff from the interior of collapsing stars?

45 votes
Accepted

Why do astronauts move so slowly in zero gravity?

21 votes
Accepted

Why did Mars lose its magnetic field?

20 votes

How big would the asteroid belt planet be?

19 votes
Accepted

What is the current accepted theory as to why Venus has a slow retrograde rotation?

17 votes

What is the most extreme weather found on another planet?

13 votes
Accepted

How often do comets survive passage by the Sun?

11 votes

What do we know about the lifecycle of the Milky Way (or any other spiral galaxy)?

11 votes
Accepted

Do other planets in our solar system experience eclipses or is this unique to Earth?

11 votes
Accepted

What practical considerations are there for amateur observations of transiting exoplanets?

11 votes
Accepted

How does the Moon move in the "night" sky as seen from the poles?

9 votes
Accepted

Why the Circumstellar Habitable Zone is defined as it is, if life could be possible outside of it?

9 votes

What are the differences between a Black Hole and a Supermassive Black Hole

9 votes
Accepted

What would our Sun look like from other solar systems?

8 votes
Accepted

Emulation of an Orrery

8 votes

Flatness of the universe?

7 votes

What is the exact time Earth takes to revolve around its axis?

7 votes
Accepted

Are we moving ever closer to the center of our Galaxy due to a super massive black hole?

7 votes

How does a galaxy in Abell 2261 exist without a black hole in the center?

6 votes

What is the difference between asteroids, comets and meteors?

6 votes

Why did the Chelyabinsk meteor explode?

6 votes
Accepted

How do stellar temperatures vary?

6 votes
Accepted

What would happen if a planet is removed from the solar system?

6 votes

Latest Planet Collision 2019

6 votes

What are IRAS sources?

5 votes
Accepted

Shouldn't all moon orbits be inherently unstable?

5 votes
Accepted

Can you identify a star's 'signature' from its spectroscopy?

5 votes

Where does the Milky Way end?

5 votes

Explanation for the mathematics behind Venus' retrograde motion

5 votes
Accepted

Is there a term for stars without any planets?

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