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• Why does the hole in Jupiter persist?

  Asked by socker | 1 response

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

  Asked by Agent222 | 4 responses

• Is switching off the lights for Earth Hour a huge waste of time and energy?

  Asked by ETpro | 12 responses

• As of April 2011 how many planets have been discovered in the universe?

  Asked by talljasperman | 4 responses

• When earthlings get around to settling the moon and other planets, should the economic model up there be socialism, communism, capitalism, or some combination?

  Asked by elbanditoroso | 7 responses

• Best website for learning astronomy?

  Asked by advilicious | 7 responses

• How can gravitation force not have a speed?

  Asked by windex | 15 responses

• What would be a good science project for a 1st grader?

  Asked by earthduzt | 18 responses

• Can somone link me to a site that lists all planets discovered ?

  Asked by talljasperman | 4 responses

• Does Mercury have a comet cluster?

  Asked by luigirovatti | 4 responses

• Which would be of more interest to you: to have a complete understanding of Mars or the ocean floor?

  Asked by Ansible1 | 18 responses

• Do you think its possible that life could have evolved on other planets; in a similar manner to Earth?

  Asked by NerdyKeith | 16 responses

• What would happen to the dwarf planet Pluto if all its moons collided with it except Charon?

  Asked by Nevada83 | 2 responses

• What is the best telescope to buy under $700 that has all the capabilities of a powerful, super expensive one?

  Asked by Jaybee | 11 responses

• Couldn't sentient extraterrestrials live on planets we imagine as inhospitable?

  Asked by Hypocrisy_Central | 8 responses

• What is the formula for how far a planet has to be from its sun to have a moon?

  Asked by Nevada83 | 15 responses

• What celestial l body you see in the sky tonight, Jan 13, 2017?

  Asked by flo | 25 responses

• Humility versus hubris - Does science have the potential to answer any question?

  Asked by mattbrowne | 16 responses

• I'm trying to find a book: could you help me, please?

  Asked by luigirovatti | 11 responses

• Can you scientifically rule out sentient extraterrestrials?

  Asked by Hypocrisy_Central | 14 responses

• Are we dependent on the other orbiting planets in our solar system?

  Asked by prude | 17 responses

• Is Time on Mars felt the same as on Earth?

  Asked by interalex | 10 responses

• If you lived on a moon of Jupiter, how would the variable gravity affect you?

  Asked by ETpro | 19 responses

• What are the celestial bodies almost always visible but not tonight Feb. 21, 2017?

  Asked by flo | 4 responses

• Do you believe in intelligent life elsewhere in the universe? And if so, do you believe we'll ever contact/meet them?

  Asked by eatmunky | 18 responses

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