User talk:Sageman7

February 2009
Welcome to Wikipedia. The recent edit you made to the page Dark matter has been reverted, as it appears to be unconstructive. Use the sandbox for testing; if you believe the edit was constructive, please ensure that you provide an informative edit summary. You may also wish to read the introduction to editing. Thank you. Rror (talk) 22:16, 4 February 2009 (UTC)