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• What does time travel say about going 5 billion years in the future, when Earth's sun has blown up and destroyed most of our solar system?

  Asked by elbanditoroso | 11 responses

• What calendar or clock will be used once other planets are colonized?

  Asked by tekn0lust | 24 responses

• Can Earth's moon be seen from the planet Venus?

  Asked by Yellowdog | 10 responses

• Please tell us more about the new dwarf planet Quaoar discovered in our solar system!

  Asked by RedDeerGuy1 | 8 responses

• Would it be possible to live on a gas giant moon?

  Asked by mrentropy | 18 responses

• Why is the Milky Way galaxy so flat? Are most of the other galaxies flat too?

  Asked by krrazypassions | 23 responses

• How many planets can the naked eye see?

  Asked by Berserker | 29 responses

• Would planetary orbits affect your time travel destination?

  Asked by Parrappa | 30 responses

• Where did the Moon come from?

  Asked by ETpro | 38 responses

• How long until a new planet forms in the asteroid belt?

  Asked by ETpro | 33 responses

• Ecliptic Solar Plain.. How did it form?

  Asked by XCNuse | 3 responses

• Can you think up a mnemonic device for the order of the planets from the sun—including dwarf planets?

  Asked by raum from iPhone | 5 responses

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

  Asked by krrazypassions | 13 responses

• What was galileo's method?

  Asked by 1000oceans | 11 responses

• The sun and celestial body impact?

  Asked by Futomara | 13 responses

• Who or what will you bring along if an alien with a spaceship suddenly brings you on a tour across the universe?

  Asked by mazingerz88 | 31 responses

• Do you believe in the Geocentric or Heliocentric model of the solar system?

  Asked by basstrom188 | 17 responses

• Would water stay on the moon without containment?

  Asked by Patty_Melt | 1 response

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

  Asked by earthduzt | 18 responses

• Is there any way to determine if the sun and the trajectory of planets was tilted at a different orientation in ages past?

  Asked by Yellowdog | 10 responses

• A bunch of questions about the Solar System?

  Asked by LeopardGecko | 27 responses

• What would the climate of Mars be (due to distance from the sun) if it were more Earthlike?

  Asked by Yellowdog | 3 responses

• What would the planet Venus be like if it hadn't lost its magnetic field and stopped spinning?

  Asked by Yellowdog | 12 responses

• Why does the moon show always the same side?

  Asked by luigirovatti | 9 responses

• Would we find more exoplantets if the galaxy Is flat?

  Asked by RedDeerGuy1 | 12 responses

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