The number of galaxies exceeds the billions . Our galaxy alone has 200 billion stars . Most of these stars have planets orbiting them . Most planets have moons orbiting them .
Try to imagine the size of the universe and what is in it
The number of galaxies exceeds the billions . Our galaxy alone has 200 billion stars . Most of these stars have planets orbiting them . Most planets have moons orbiting them .
Try to imagine the size of the universe and what is in it
