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For questions about a different and uncharacteristic species or object that has come to the world from another world. NOT for questions about extraterrestrials in their native environment.

-1 votes

Making Mars bigger

I suspect the surface will actually be cold from the beginning. Here is one way to model it. Imagine you take a pillar of iron about 2000km tall, and drop it from 150km. As the pillar strikes the sur …
Blake Walsh's user avatar
  • 1,814
5 votes

Blind spot in the Solar System

Believe it or not, the best place is just anywhere there isn't anything to point telescopes at. Most telescopes looking for or at things within the solar system are pointed in the plane of the eclipti …
Blake Walsh's user avatar
  • 1,814