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• Can a supernova remnant have a habitable zone?

  Asked by Nevada83 | 4 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 would happen to the dwarf planet Pluto if all its moons collided with it except Charon?

  Asked by Nevada83 | 2 responses

• Would the planet Venus have already slammed into Earth if it was 10,000,000 miles farther from the sun?

  Asked by Nevada83 | 1 response

• A question about planet "Jupiter"?

  Asked by Samantha4One | 9 responses

• If there is a person on another planet, and his year is 80 Earth's years, how far would his planet have to be from the Sun?

  Asked by Sneki95 | 9 responses

• Within the deeper craters of the dark side of the moon, would it be possible to have an 'atmosphere' of any gas within this crater?

  Asked by Brian_Ghilliotti from iPhone | 6 responses

• Trivia time. What are the origins of the names of the 8 planets and Pluto?

  Asked by Brian1946 | 33 responses

• Was the half moon larger on March 4, 2017 than March 5, 2017, if so why?

  Asked by flo | 8 responses

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

  Asked by flo | 4 responses

• What is the planet in the south west sky?

  Asked by RedDeerGuy1 | 6 responses

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

  Asked by flo | 25 responses

• Do you think human beings will ever need to relocate to another planet in the future?

  Asked by NerdyKeith | 19 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

• If we found intelligent life on a distant world; do you think they would have a concept of religion or spirituality?

  Asked by NerdyKeith | 10 responses

• Wait, now there's a 9th planet?

  Asked by syz | 35 responses

• What do you think is going on with star KIC 8462852 ?

  Asked by syz | 7 responses

• What are your plans for this evening? Interested in seeing a celestial show?

  Asked by Pied_Pfeffer | 9 responses

• Can you list some works of science fiction, where an alien planet has multiple distinct cultures, that are not set up purely to establish conflict for the plot?

  Asked by ragingloli | 7 responses

• All the best moving tips right here?

  Asked by Here2_4 | 21 responses

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

  Asked by ETpro | 19 responses

• Looking for that planet you misplaced?

  Asked by ETpro | 11 responses

• If the earth stopped spinning, would we all be crushed by gravity?

  Asked by RealEyesRealizeRealLies | 14 responses

• If alien life was discovered how long would it be before it is ignored just like the life on Earth?

  Asked by talljasperman | 10 responses

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

  Asked by talljasperman | 4 responses

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