Black Holes3139planetsguess the planet68Guess the planets (except for exoplanets) Discuter maintenantanimeBlack holes32Black holes is a female Black holes she can't talk to human in earth and she dangerous black holes and she is very lonely in the galaxy is her homeDiscuter maintenantspaceSpace39You just survive the black hole, your spaceship crashed and landed on the moon in will explode in 3 seconds, what will you do? Discuter maintenant