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L.R.

Member for 10 years
Last seen more than 7 years ago

Switzerland

5 Answers

Score Activity Newest

16 votes

How does Titan maintain its atmosphere?

answered Dec 23, 2014 at 15:16

2 votes

Why would all places appear to be at the center of the universe's expansion?

answered Feb 7, 2015 at 20:59

1 vote

Is there an element of chance/chaos in stellar evolution?

answered Jan 5, 2015 at 20:35

1 vote

If an asteroid twice the size of Earth passed super close would half of the Earth be pulled towards it?

answered Jan 6, 2015 at 22:17

1 vote

Accepted

Collision of two Earths

answered Jan 8, 2015 at 15:56