some astronomy pictures of the day
subject of much controversy in certain social circles, here are some mind-bending composite exposures of stars and the paths they trace when viewed from stationary positions on earth:
the sun - http://antwrp.gsfc.nasa.gov/apod/ap070617.html
the night sky - http://antwrp.gsfc.nasa.gov/apod/ap070613.html
the sun - http://antwrp.gsfc.nasa.gov/apod/ap070617.html
the night sky - http://antwrp.gsfc.nasa.gov/apod/ap070613.html