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• What do you think Dark Matter really is-?

  Asked by mazingerz88 | 22 responses

• How far does the moon travel in a year?

  Asked by GeorgeGee | 16 responses

• How old are the carbon atoms in our bodies?

  Asked by mattbrowne | 12 responses

• I resist taking astrology serious, but how can I do that when stuff like this happens?

  Asked by rexpresso | 26 responses

• I was doing some private experiments with the Large Hadron Collider in my spare time and accidentally created a singularity. Now it's getting bigger. What are the specific dangers of an enlarging singularity?

  Asked by GeorgeGee | 18 responses

• Why don't stars clump together?

  Asked by GeorgeGee | 6 responses

• Where did the Moon come from?

  Asked by ETpro | 38 responses

• Does gravitational energy convert to heat?

  Asked by GeorgeGee | 11 responses

• Why aren't there any really big stars?

  Asked by GeorgeGee | 16 responses

• Do you think this article marks the beginning of the end of life on earth?

  Asked by GeorgeGee | 15 responses

• Is laser light unnatural?

  Asked by GeorgeGee | 12 responses

• Question about star wobble as it relates to planet discovery?

  Asked by cockswain | 6 responses

• Does anyone know any good book to get started into the astronomy,astrophysics field?

  Asked by Christian95 | 13 responses

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

  Asked by ETpro | 32 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

• I would like to create a useful Smartboard application- any suggestions?

  Asked by pallen123 | 8 responses

• How do we know the universe is infinite?

  Asked by The_Compassionate_Heretic from iPhone | 37 responses

• What happens with the energy in you after you die?

  Asked by Christian95 | 39 responses

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

  Asked by Christian95 | 56 responses

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

  Asked by Christian95 | 10 responses

• Can you steer me in the right direction for my graduation project?

  Asked by Parrappa | 13 responses

• Best physics/astrophysics book?

  Asked by Christian95 | 5 responses

• Why E=mc2?

  Asked by Christian95 | 30 responses

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