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Archived June 28, 2008
June 28, 2008
The northern hemisphere of Mars is the largest impact crater in the solar system
Avi Blizovsky
June 28, 2008
8 תגובות
The first satellite in orbit to detect asteroids
Rami Yushobiev
June 28, 2008
7 תגובות
Technological predictions from the past, and how come they didn't?
Amnon Carmel
June 28, 2008
18 תגובות
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