A black Hole is when a star reaches it's infinite density. The light can't escape after this happens and because of the intense garvity it has. It is 20 to 15 times bigger than the sun. You may see this in movies like Star Wars where they go in the big light thing. It doesn't do anything at all though. It traps things if they areto close.
A worm hole is a shortcut through space and time. It has two mouths and one throat. Going through this will make you go through the universe faster than light can. Einstein beleived in the worm hole also gave the idea of it. It connects parts of the universe.
Saturn was found by Galileo Galilei. The ring was found by Christann Huyges. The ring was made out of small particles.
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