Signs

MATTHEW 24:30
Then the sign of the Son of Man will appear in the sky...
http://www.youtube.com/watch?v=G9idAkMEFaE

LUKE 21:25
There will be signs in the sun, the moon, and the stars, and there will be distress on earth among the nations that are confused by the roaring of the sea and its waves.
http://www.youtube.com/watch?v=uQ-1kea5L1s

http://www.skyandtelescope.com/observing/highlights/40504617.html

http://www.youtube.com/watch?v=zcAGHkEvkDU&feature=related

http://www.youtube.com/watch?v=rH-NTr4cc04&feature=related