jupiter has at least 67 moons. the largest 4 are io, europa, ganymede, and callisto.

the snow on pluto is red.

according to nasa, on planet hd189733b, it rains glass.

1 billion years from now - or maybe a little less - our sun will become so hot that it will boil away the earth's oceans and vaporize all living things.

because the core of the sun is denser than its surface, the resulting gravitational potential warps time. as a result, the sun's core is 39,000 years younger than the surface.

the same is true of earth, but on a smaller scale: the core is about 2.5 years younger than the crust.

the moon is so far from the earth that you could easily fit all of the other planets in our solar system between them, with plenty of elbow room left over.

past the orbit of neptune, dwarf planet haumea rotates once every 3.5 earth-hours.

according to church founder joseph smith, mormons go to a planet or star in the middle of our galaxy called kolob when they die.

ceres is a dwarf planet located between mars and jupiter.

the wind on neptune blows so fast that it breaks the sound barrier.

saturn's rings are only about 30 feet thick.

summer on uranus lasts 21 years.

the non-planet pluto is about the size of modern-day russia.