User:Ashill/Sandbox

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Test signature. ASHill (talk | contribs) 00:46, 13 May 2008 (UTC)

• Padgett, Deborah L.; Brandner, Wolfgang; Stapelfeldt, Karl R.; Strom, Stephen E.; Terebey, Susan; Koerner, David (1999). "Hubble Space Telescope/NICMOS Imaging of Disks and Envelopes around Very Young Stars". The Astronomical Journal 117: 1490. doi:10.1086/300781.  edit
• Padgett, Deborah L.; Brandner, Wolfgang; Stapelfeldt, Karl R.; Strom, Stephen E.; Terebey, Susan; Koerner, David (1999). "Hubble Space Telescope/NICMOS Imaging of Disks and Envelopes around Very Young Stars". The Astronomical Journal 117: 1490. doi:10.1086/300781.  edit

• Henry H. Hsieh, David Jewitt (2006-03-23). "A Population of Comets in the Main Asteroid Belt". Science 312: 561–563. doi:10.1126/science.1125150. 
• Stefano Coledan (2007-01-01). Saturn Rings Still A Mystery. Popular Mechanics. Retrieved on 2007-03-03.