Difference between revisions of "Nebula"
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| − | A '''nebula''', from the [[Latin]] word for ''[[cloud]]'', is a cloud of interstellar [[dust]] and [[gas | gases]]. <ref>http://fusedweb.pppl.gov/CPEP/Chart_Pages/5.Plasmas/Nebula.html</ref>. Nebulae have been observed both within the [[Milky Way]] [[galaxy]] and in other galaxies. These large clouds of mostly hydrogen gas can form stars an planets. Our solar system formed about 4.6 billion years ago. <ref>http://www.windows.ucar.edu/tour/our_solar_system/formation.html</ref> | + | A '''nebula''', from the [[Latin]] word for ''[[cloud]]'', is a cloud of interstellar [[dust]] and [[gas | gases]]. <ref>http://fusedweb.pppl.gov/CPEP/Chart_Pages/5.Plasmas/Nebula.html</ref>. Nebulae have been observed both within the [[Milky Way]] [[galaxy]] and in other galaxies. These large clouds of mostly hydrogen gas can form stars an planets. Our solar system formed about 4.6 billion years ago from a nebula. <ref>http://www.windows.ucar.edu/tour/our_solar_system/formation.html</ref> |
==External Links== | ==External Links== | ||
Revision as of 17:26, May 2, 2009
A nebula, from the Latin word for cloud, is a cloud of interstellar dust and gases. [1]. Nebulae have been observed both within the Milky Way galaxy and in other galaxies. These large clouds of mostly hydrogen gas can form stars an planets. Our solar system formed about 4.6 billion years ago from a nebula. [2]
External Links
Some spectacular pictures from the Hubble Telescope, which include many nebulae