Thursday, January 6, 2011
Tuesday, January 4, 2011
Partial Solar Eclipse LIVE WEBCAST(S)
Partial Solar Eclipse LIVE WEBCAST(S) - www.astronomylive.com
Watch the broadcast(s) OR be the broadcaster!
Watch the broadcast(s) OR be the broadcaster!
This event is visible in Europe, Middle-East, Africa and Asia. Check http://www.astronomylive.c
Monday, January 3, 2011
Quadrantids Meteor Shower
January 3, 4 - Quadrantids Meteor Shower. The Quadrantids are an above average shower, with up to 40 meteors per hour at their peak. The shower usually peaks on January 3 & 4, but some meteors can be visible from January 1 - 5. Best viewing will be from a dark location after midnight . Look for meteors radiating from the constellation Bootes.
Saturday, January 1, 2011
Did Dark Matter Annihilate Our Early Universe?
380,000 years after the Big Bang, the Universe cooled from being a hot soup of plasma, to a temperature where protons and electrons could combine to form atoms. This calm period of neutral hydrogen in universal history didn’t last for long however. The neutral hydrogen atoms were ripped apart once more, by a mechanism that...
A billion years after the big bang, hydrogen atoms were mysteriously torn apart into a soup of ions.
380,000 years after the Big Bang, the Universe cooled from being a hot soup of plasma, to a temperature where protons and electrons could combine to form atoms. This calm period of neutral hydrogen in universal history didn’t last for long however. The neutral hydrogen atoms were ripped apart once more, by a mechanism that would go on to reionize the entire Universe, a process that eventually ended a billion years after the Big Bang.
It is thought the first stars that formed prior to the reionisation epoch probably pumped out some fierce ultraviolet radiation, ionizing the neutral hydrogen, but a new (controversial) theory has been put forward. Did dark matter have a role to play in the reionisation the Universe?
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