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• Does anything move faster than light?

  Asked by chucklmiller | 72 responses

• Obama kills plans to return to the moon by 2020: thoughts?

  Asked by Mariah | 54 responses

• Does a full moon bring anything to your mind?

  Asked by liminal | 32 responses

• Where is the center of the Universe?

  Asked by clioi | 46 responses

• Do you think the world is on the way to it's end?

  Asked by spiritual | 46 responses

• What could this object in the sky have been?

  Asked by nikipedia | 9 responses

• What's your Strange Universe example to illustrate Sir Arthur Eddington's quote?

  Asked by ETpro | 32 responses

• A bunch of questions about the Solar System?

  Asked by LeopardGecko | 27 responses

• What site predicts when I can see the Northern Lights?

  Asked by LeopardGecko | 18 responses

• Will digital cameras ever get good enough to photograph without a telescope?

  Asked by talljasperman | 10 responses

• Terra-forming Mars: would this warm up it's core again to regenerate it's magnetic field?

  Asked by Agent222 | 4 responses

• What do you think caused the blue spiral that appeared in the skies of Norway yesterday morning?

  Asked by fireside | 49 responses

• How do astronauts pee in zero gravity?

  Asked by Christian95 | 17 responses

• How many black holes are there in the Milky Way and why are there so many different scientific estimates?

  Asked by mattbrowne | 14 responses

• What kind of schools could I get into?

  Asked by Parrappa | 9 responses

• In astronomy, what does edge-on and face-on mean?

  Asked by Haroot | 9 responses

• How do we know the universe is infinite?

  Asked by The_Compassionate_Heretic from iPhone | 37 responses

• Why do the sun and moon change colors at different times?

  Asked by troubleinharlem from iPhone | 7 responses

• Should we have crashed a spacecraft into the moon just to see if there was water in there?

  Asked by karentookawalk | 36 responses

• What is a prominent constellation that can be seen in Michigan but not in bolivia?

  Asked by Deerboy87 | 9 responses

• What is a place on earth that a lunar eclipse can never be observed in june?

  Asked by Deerboy87 | 6 responses

• How do we know that all we see is real?

  Asked by Christian95 | 56 responses

• Is there anything more beautiful than the cosmos?

  Asked by Parrappa | 27 responses

• Have you ever seen/heard Carl Sagan's "Pale Blue Dot" and do you think it made you a better person?

  Asked by poisonedantidote | 16 responses

• What do you think about Joao Magueijo's variate speed of light concept?

  Asked by Christian95 | 10 responses

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