JOHN CHUMACK / SCIENCE PHOTO LIBRARY JOHN CHUMACK / SCIENCE PHOTO LIBRARY
Comet C/2011 L4, known as PANSTARRS for the telescope with which it was discovered (the Pan-STARRS telescope in Hawaii), appears to cross paths with an airplane; March 12, 2013. Photographed with a modified Canon Rebel Xsi DSLR; 1/2 second exposure, ISO 800, University Optics 80mm F6 Refractor (600mm).
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