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“Nobody really understands how star formation proceeds. It’s really remarkable.” Rogier A. Windhorst, as quoted by Corey S. Powell, “A Matter of Timing,” Scientific American, Vol. 267, October 1992, p. 30. <ref>http://adsabs.harvard.edu/abs/1992SciAm.267Q..26P</ref>
“Nobody really understands how star formation proceeds. It’s really remarkable.” Rogier A. Windhorst, as quoted by Corey S. Powell, “A Matter of Timing,” Scientific American, Vol. 267, October 1992, p. 30. <ref>http://adsabs.harvard.edu/abs/1992SciAm.267Q..26P</ref>
==Habitable zone==
A star's habitable zone is the region in which a [[terrestrial planet]] of the right size could have a surface temperature that might allow for liquid water and potentially life. <ref>Bennet, Jeffrey, et al. "Life Around Stars." <u>The Essential Cosmic Perspective</u>. 4th ed. San Francisco: Pearson Education, Inc., 2008. 508-13.</ref>
For example, if a star much similar our [[Sun]] has a lifetime of one million years and temperature of 6094K. Its habitable zone lies within 1.02AU and 1.49AU. <ref>"Exploring the Habitable Zone and Central Star", CADRE design Pty. Ltd.</ref>
==See also==
==See also==