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• Who was first to ask when our sun might exhaust itself?

  Asked by Ltryptophan from iPhone | 7 responses

• How can I balance my love for physics (esp. astrophysics), animation and computer engineering?

  Asked by krrazypassions | 10 responses

• Why don't stars clump together?

  Asked by GeorgeGee | 6 responses

• Why can't the Universe be eternal?

  Asked by ETpro | 34 responses

• What exactly happens when a (hypothetical) antimatter black hole merges with a 'normal' black hole?

  Asked by mattbrowne | 11 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

• If the universe is infinite than how can it be expanding?

  Asked by xxporkxsodaxx | 23 responses

• Doesn't common sense tell us that this Universe isn't ruled by common sense?

  Asked by ETpro | 15 responses

• How long would an astronaut last in space if they were separated from the station and drifted off?

  Asked by Blackberry | 22 responses

• If the galaxy exibit linear motion?

  Asked by kingkathirkar98 | 3 responses

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

  Asked by cockswain | 6 responses

• What is the morphology of a black hole?

  Asked by ETpro | 7 responses

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

  Asked by Christian95 | 10 responses

• Why is the moon exactly the right size and distance from the Earth so that it fits neatly over the sun during a solar eclipse?

  Asked by luigirovatti | 13 responses

• What is the speed or velocity of our solar system?

  Asked by talljasperman | 8 responses

• Could we use a quantum telescope to see the earth or the sun in the distant past?

  Asked by Ltryptophan from iPhone | 13 responses

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

  Asked by GeorgeGee | 15 responses

• What happens if a black hole and a stable wormhole interact?

  Asked by ETpro | 6 responses

• Can this be the explanation for dark energy?

  Asked by krrazypassions | 10 responses

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

  Asked by Christian95 | 39 responses

• Why are the orbits of planets in the same plane?

  Asked by krrazypassions | 13 responses

• Does gravitational energy convert to heat?

  Asked by GeorgeGee | 11 responses

• What regulates the nuclear fusion rate within stars?

  Asked by ETpro | 14 responses

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

  Asked by pallen123 | 8 responses

• A question about planet "Jupiter"?

  Asked by Samantha4One | 9 responses

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