How true is it that the Earth is the only planet having life in the entire universe?
What are the chances that earth is the only habitable planet in the universe?
If there are 50 sextillion habitable Earth-like planets in the universe, is it possible that there are humans in other planets in the universe? How many planets in our solar system would be habitable by humans? If we found a habitable planet but it already had sentient inhabitant, would we try to conquer it? Is there other planet like this world with humans? Is the earth the only planet with water? Is there any possibility, that human beings could live on another planet? If yes, how much time will it take to take all humans on that planet? Wouldn't any other planet be completely inhospitable to our biome. Aren't we confined to earth because we are made of earth? Is it possible that there are more than one earth in universe as it is? When Sun start expanding and starts pulling the planets towards it,will there be a chance for other planets like Saturn or Uranus to become habitable? Which of the 7 planets (that's not including earth) are we least likely to get to? What are the chances of finding intelligent life on other planets? How important would be the finding of another planet in our solar system? What is the biggest planet possible? Is a planet entirely made of only liquid possible? Does extra terrestrial inteligent life visit earth? Is the Earth properly earthed? What if Earth were the biggest planet? Will the Earth ever die? Is there a planet in real life similar to Neverland? What forms of life could we find on other planets? Is there a tenth planet in our solar system? What are the chances that elements we don't know of exist on other planets or in other galaxies? Will there ever be a moment where the whole planet will have been built? Within the next century, will humans discover life on other planets? Is there a planet in the universe as big as our Sun? Do people who believe the earth is flat also believe all the other planets that have been discovered are also flat? Will we ever discover (or be discovered by) an intelligent life form from another planet? Is there any planet in the universe that is bigger than our sun? How long will it be before the earth will not be able to sustain the human population? What would earth be like if humans never existed?