Astronomy 
Life Science 
Chemistry 
Earth Science 
Physics 
Miscellaneous 
Rank Site Votes
11
Age of Dinosaurs
Learn about the dinosaurs and other prehistoric era animals.
6
12
Amateur astronomers
Forum for Astronomers
2
13 Information about astronomy as a hobby (dutch)
1
14
Bug Topsites
0
15 Interesting space facts and news about the planets ans solar system.
0
16
http://www.moonsighting.com
Predicted dates of sighting a new moon
0
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