Space exploration

Animals or ____________________ that might live on other planets are called ____________________ ____________________

Our ____________________ ____________________ has ____________________ planet s

____________________ makes things ____________________ dow n

The planet ____________________ was ____________________ ed in 1846 . People didn't know it existed before that tim e

Another ____________________ for planet is " ____________________ "

The distance from the earth to the sun is ____________________ 150 kilometer s