4.7 Billion Years | Scienceray

mgandara: <a href="http://scienceray.com/physics/perpetual-motion-2/#comment-57396" title="View the entire comment by mgandara">The rule TINSTAAFL applies here
Mystify: <a href="http://scienceray.com/physics/science-trying-to-play-god/#comment-57394" title="View the entire comment by Mystify">I think science is great,infact
Alexa Gates: <a href="http://scienceray.com/biology/ecology/wild-animals-under-threat-of-extinction/#comment-57392" title="View the entire comment by Alexa Gates">Great article <img src='http://scienceray.com/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /> we shouldn't
cebuanaeyez: <a href="http://scienceray.com/physics/some-contributors-in-the-development-of-electricity/#comment-57390" title="View the entire comment by cebuanaeyez">Good research!
abhishek40914: <a href="http://scienceray.com/biology/ecology/wild-animals-under-threat-of-extinction/#comment-57388" title="View the entire comment by abhishek40914">that is surely lot of

The Unbounded Universe

Published by Graeme S Houston
September 18, 2008, Category: Astronomy

The universe is marvelous and boundless, infinite and hauntingly beautiful. Let us take a trip in time and space to discover its extent.