An astronomy enthusiast's search through the archives of the European Southern Observatory revealed an astonishing image of two spiral galaxies in a tug of war.
Twitter users can benefit those seeking to broadcast or discover information in times of disaster, but a method for regulating false "retweets" might be needed.
You're not likely to see much of the planet Jupiter in early May 2011. However, the giant planet quickly climbs away the glow of dawn throughout the month. When will you first spot Jupiter, the sky's second planet, in the east before sunrise?
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