duzzy
  • Member for 7 years, 6 months
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2 answers
25 votes
7k views
11 bookmarks
How did Kepler "guess" his third law from data?
4 answers
14 votes
19k views
4 bookmarks
What is the difference between our time and space time?
1 answers
7 votes
145 views
2 bookmarks
Are trojans in L5 more likely than in L4?
1 answers
7 votes
214 views
2 bookmarks
Is it accurate to compare comets to clouds and rain?
1 answers
6 votes
726 views
1 bookmarks
Radio Astronomy and Imaging
0 answers
5 votes
160 views
3 bookmarks
If nothing can pass the schwarzschild radius, how can black holes even start?
1 answers
5 votes
349 views
1 bookmarks
What makes a really good observatory site, besides altitude?
3 answers
5 votes
404 views
1 bookmarks
What types of signals is SETI (and other such efforts) looking for?