hailee+and+zach+s

ailee and zach As you may know pluto is no longer a planet but do you know why pluto is not a planet? well lots of people say it vanished but i know it is still there. It does not look like it but [|pluto] is there. a few astronomers say that failed to dominate orbiting the sun with all of the other planets which caused pluto to become a dwarf planet. nobody has found the exact answer so for now i guess it will still be a mystery.

what are the different types of stars. there is many different types of stars here is a few of them. There is a white dwarf is a relatively small dense type of [|star]. there is also a black hole. a blackhole is a hole in space that nothing can escape from its gravitational pull. there is millions of other stars that would take forever to tell them all to you.  what makes a star go supernova? a star only goes supernova when the stars nuclear fuel is exhausted and is no longer supported by its nuclear energy. if a star is massive its core will collapse and release alot of energy.
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The Hubble Space Telescope site predicts there are billions of galaxies in the [|universe]. A recent German super-computer simulation estimates that the number may just be as high as 500 billion galaxies! Can someone please clarify the accepted educated ballpark figure?