Top Network Posts
- 9Why don't we feel the speed of earth moving
- 8What limits the usable focal length of telescopes currently?
- 8What qualifies as a good place for stargazing, i.e. with least light pollution?
- 7What's the furthest object observable by the naked eye from earth?
- 7Earth's gravitational pull on ISS
- 7How do telescopes "zoom" and change angle of view?
- 6Will the UK be able to witness the tetrad in April 2014?
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