Lots More Information

Related HowStuffWorks articles

• How Galaxies Work
• How the Milky Way Works
• How Stars Work
• How Black Holes Work
• How Dark Matter Works
• How Telescopes Work
• How Hubble Space Telescope Works
• How Fixing the Hubble Spacecraft Works

More Great Links

• All About Nebulas on Space.com
• Nebula Image Collection on HubbleSite
• Nebulae News Stories on HubbleSite
• Nebulae on the NASA Web Site

Sources

• "All About Nebulas." Space.com.
  http://www.space.com/nebulas/
• Barnes-Svarney, Patricia, ed. "The New York Public Library Science Desk Reference." Macmillan. New York, 1995.
• Engelbert, Phyllis and Dupuis, Diane L. "The Handy Space Answer Book." Visible Ink Press. Michigan, 1998.
• Gallant, Roy A. "National Geographic Picture Atlas of Our Universe." National Geographic Society. Washington D.C., 1994.
• "Size of the Milky Way." Ask An Astrophysicist. NASA. http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/980317b.html
• "Nebula." Encyclopedia Britannica 2005, CD-ROM.
• "Nebula." World Book 2005.
• Overbye, Dennis. "Smaller Version of the Solar System is Discovered." The New York Times. Feb. 15, 2008.
  http://www.nytimes.com/2008/02/15/science/space/15planets.html
• Ronan, Colin A. "Universe: The Cosmos Explained." Quantum Books. London, 2007.
• "Spitzer Digs Up Troves of Possible Solar Systems in Orion." NASA Jet Propulsion Laboratory. Aug. 14, 2006.
  http://www.jpl.nasa.gov/news/news.cfm?release=2006-099