SOHO's 3,999th and 4,000th Comet Discoveries (IMAGE)
Caption
The 4,000th comet discovered by ESA (European Space Agency) and NASA's SOHO observatory is seen here in an image from the spacecraft alongside SOHO's 3,999th comet discovery. The two comets are relatively close at approximately 1 million miles apart, suggesting that they could have been connected together as recently as a few years ago.
Credit
ESA/NASA/SOHO/Karl Battams
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