News tagged with astronomical events

Red Crucifix sighting in 774 may have been supernova

(Phys.org) -- A supernova may have actually been the mysterious "Red Crucifix" in the sky that is cited in the Anglo Saxon Chronicle for the year 774. New correspondence between a university student and Nature carries intere ...

Jun 30, 2012 weblog
4.6 / 5 (12) 10 | with audio podcast

The Edge of a Black Hole

The existence of black holes is one of the most amazing and bizarre predictions of Einstein's theory of gravity. Despite his original misgivings about their reality, massive black hole holes are today believed ...

Aug 18, 2009
4 / 5 (28) 14

Christmas sky show

(Phys.org)—Just when you thought Christmas was over: At the end of the day on Dec. 25th, a pair of holiday lights will pop out of the deepening twilight. Jupiter and the Moon are having a Christmas conjunction.

Dec 24, 2012
4.3 / 5 (6) 0 | with audio podcast

A black hole unmasked

Black holes are among the most amazing and bizarre predictions of Einstein's theory of gravity. A black hole is thought to be point-like in dimension, but it is surrounded by an imaginary surface, or "edge," ...

Nov 29, 2011
4.7 / 5 (19) 26 | with audio podcast

'Royal star' was a supernova, say astronomers

One of the abiding legends of Britain's royal family is that a noon-day star appeared at the birth in 1630 of King Charles II, who was to restore the English monarchy after the execution of his father.

Apr 18, 2011
4 / 5 (1) 0

NASA scientist: No Doomsday in 2012

According to NASA scientist David Morrison, the widespread Internet rumor that the world will end in 2012 due to some astronomical event is a hoax. Dr. Morrison attributes the hype to 'cosmophobia' fueled ...

Oct 20, 2009
3.8 / 5 (38) 21