The Why Files Cool Science Images
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picture of comet Hale-BoppNGC 604 in Galaxy M33Colliding Galaxies NGC 4038 and NGC 4039picture of galaxy NGC 891


the great comet Hyakutakecometary knots or humongous interstellar tadpoles?a planetary nebulaPHA (Potentially Hazardous Asteroid) 4179


the planet Venusenormous pillars of interstellar hydrogen gas and dustSTScI-PR94-22 the planet Neptune


Comet HyakutakeLarge icicle-shaped cones coming down from ceiling and up from ground.Bright red infrared image of!


Satellite image of Earth shows hot spots.Cone Nebulaan iridescent white, silver, and blue swirl in a black sky speckled with starsimage of orange sun with yellow and orange flares


Barnard 33 or the Horseheadsatellite image of sahara with swaths of sand and water


Photo of earth bathed in colorful ultraviolet light Colorful, lumpy EarthLena River snakes through land.


Clouds swirl over blue ocean.Different views of yellow moon.Spinning hunk of gray rock.Colorful nebula


Hunk of rock surrounded by light.Purple vocanic island rises from gray ocean.


Yellow globs of bacteria thrive in petri dish.  Looking through a tunnel of ice makes everything blue.


Deep Impact Generates its own Spectacular Photo FlashSwirling mass of greens, blues and reds.  Brilliant sun with Santa and sleigh flying by.