the Whirlpool
Greg Frost sent a remarkable pair of images from the Hubble – The Whirlpool Galaxy in visible light and infrared, superimposed. You run the cursor over to flip it back and forth. Cosmologists of the fifties would have given their left lobes for this.
http://antwrp.gsfc.nasa.gov/apod/astropix.html
Joe
http://antwrp.gsfc.nasa.gov/apod/astropix.html
Joe
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