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Friday, November 14, 2008

Astronomy Topics


Black Holes
Black holes are theoretically predicted pockets in space where neither light nor matter can escape. They are the end of stars and at least 10 to 15 times the size of the sun! But black holes are highly exaggerated by the public. They are not super vacuums, so if our sun was to be "swallowed" by one our orbit would not change. Only out temperature.

Saturn's Rings
Saturn's rings were discovered by Galileo in 1610, but they would always puzzle scientists. They figured that the rings were mainly made out of ice water and range from microns to meters in size. The rings are there because of Saturn's gravitational pull. As also the moons, but much of it remains unexplained.


The Ultimate Fate of the Universe
We can't predict the future. But we can give a hypothesis on what might happen, and that's just what scientists are doing. They say that years from now the universe is just getting farther and further away from everything else and just finally one day, crush together in a pin size ball, just like how it started. The big bang.

Pluto
Pluto gets its name from the Greek god of the underworld, Hades because, how far it is away from everything. It was discovered in 1930 just by a fortunate accident. Then again in 2005, Pluto was discovered to have two smaller moons orbiting it. But now sadly Pluto is no longer considered a planet. :[

Worm Holes
Wormholes are not yet proved yet but not disproved either. They are said to be teleporters in space over time! This theory goes back to 1916, shortly after Einstein published is theory in books. Although wormholes are probably unstable and would collapse if any of the tiniest matter would enter it so.....if they are discovered I wouldn't try this at home.

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