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Swike
  • Member for 2 years, 11 months
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1 answer
89 votes
16k views
22 bookmarks
How can there be 1,000 stellar ancestors before our Sun?
7 answers
59 votes
38k views
18 bookmarks
How many planets are there in this solar system?
3 answers
29 votes
3k views
4 bookmarks
Why can't we observe the Oort cloud with a telescope?
1 answer
28 votes
5k views
2 bookmarks
How is it possible that we haven't discovered anything in the Oort cloud yet?
3 answers
18 votes
2k views
1 bookmarks
How does a gravity slingshot actually work?
2 answers
14 votes
3k views
1 bookmarks
Why not send a Gaia-like mission to Mars?
5 answers
10 votes
2k views
3 bookmarks
Whats the farthest distance a spacecraft has been detected (except by radio)
1 answer
5 votes
236 views
1 bookmarks
Is there a verification of the solar system barycenter as it is theoretically determined?
1 answer
5 votes
192 views
2 bookmarks
What was the nature of the signal received from the direction of HD164595?
1 answer
1 vote
153 views
1 bookmarks
Did comets 266P/Christensen or P/2008 Y2 (Gibbs) cause the Wow! signal?