Recent content by AstroKid

Even if we have such closer planet, it's still pretty impossible a person to fly in the real deep space. Let us get to Mars first, build a city who will try to live permanently there and then we can focus onto something out of our solar system. As long as we know, the first planets who are out...

There's no chance to be a black hole. If it was, earth and rest of the whole system could be somewhere in the deep space. There is a theory that says, even if a small black hole pass nearby the solar system, all the planets will move pretty far from its current position and it'll be...