Saturn is huge. It is the second largest planet in our Solar System. Jupiter is the only planet that is bigger. You cannot stand on Saturn. It is not like Earth. Saturn is made mostly of gases. It has a lot of helium. This is the same kind of gas that you put in balloons.
Scientists believe that we can only see about 5% of the matter in the Universe. The rest is made up of invisible matter (called Dark Matter) and a mysterious form of energy known as Dark Energy. Neutron stars are so dense, that a soup can full of neutron star material would have more mass than
If two pieces of pure metal without any coating, touch in space, they become permanently stuck together. This phenomena is known as cold welding! This doesn’t happen on earth because the atmosphere puts a layer of oxidized material between the surfaces. Uranus was originally called George’s Star. Uranus was also the first planet to be