Thursday, January 20, 2011

APOD 2.5



As much as ten percent of visible matter in our solar system is actually Interstellar Mass.  is is a gas, and is not uniformly distributed.  It is mainly composed of Hydrogen, then Helium, and some interstellar dust.  It plays an important role in the formation of new stars, and it is always moving around in the universe.  The "Local Fluff" is another name for our local interstellar cloud.  Our sun is slowly moving out of this cloud, and may be out of it in the next 10,000 years.  Interstellar medium is mainly detected by looking for the hydrogen gas that it is mainly composed of.

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