5 Cool Unknown Facts About Space PART 1synadex (25)in #space • 7 years ago #1 Uranus is titled on its side #2 Mercury and Venus are the only 2 planets that don't have any moons #3 1 million earths could fit inside the sun #4 The sun is only an average star #5 The Milky War and Andromeda galaxy will collide #world