When Nothing Is Something: Black Holes

Topics: Binary star, Star, White dwarf Pages: 4 (1216 words) Published: August 17, 2013
What are black holes? Most people define them as dark chasms in space which “suck” in anything that gets near them. Although this description of black holes is not necessarily wrong, there is a lot more to black holes than what many know. The following paper discusses such things.

Before such a terrifying body as a black hole comes into existence, it starts off as a beautiful, bright star. While most stars usually end up becoming white dwarfs, which are what stars become after they have lost all of their fuel, many giant stars become the “last evolutionary stage” in their lifetimes, black holes. (Black Holes: A Mighty Void, 2010) Before this happens, they explode or detonate; they become supernovae (supernova – singular). An explosion as large and powerful as this scatters the stars into bare space, leaving behind a “large cold body”. (Black Holes: A Mighty Void, 2010) Eventually, a constant outward pressure pulls at the stars. But, because of the destruction caused by the supernovae, nothing can go against gravity, and so this results in the stars collapsing in themselves. From there, budding black holes start to appear. The light from the stars become unable to escape the incredible gravitational pull of the growing black holes, so after a while, the stars’ own light gets trapped in orbit, and they begin the growth of the black holes. (Black Holes: A Mighty Void, 2010)

Black holes take in matter and energy into themselves, although they cannot do the same for heavenly bodies (i.e. moons, comets, etc.) and stars of the same size. (Black Holes: A Mighty Void, 2010) For example, a black hole the size of the Sun will not be able to pull it in. It can only do so if it is bigger. No matter how strong or powerful a hole is, it cannot pull in a body that is bigger than it or has the same size.

Any heavenly body, planets, light, and matter, in order to get pulled into the black hole, have to pass close to one. What modern society...
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