nucleus

Rosetta Watches Comet 67P Tumbling Through Space

by Jason Major July 3, 2014

Want to stay on top of all the space news? Follow @universetoday on Twitter This is really getting exciting! ESA’s Rosetta spacecraft (and the piggybacked Philae lander) are in the home stretch to arrive at Comet 67P/Churyumov-Gerasimenko in 34 days and the comet is showing up quite nicely in Rosetta’s narrow-angle camera. The animation above, assembled from 36 NAC […]

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Comet ISON Grows Wings; Comet Lovejoy, a Fountain

by Bob King November 18, 2013

Wonderful photos of Comets ISON and Lovejoy with their swollen comas and developing tails  have appeared on these pages, but recently, amateur and professional astronomers have probed deeper to discover fascinating dust structures emanating from their very cores. Most comets possess a fuzzy, starlike pseudo-nucleus glowing near the center of the coma. Hidden within this […]

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Keeping up with Comet PANSTARRS through the end of March

by Bob King March 20, 2013

Wow – what an image! Michael Jaeger’s photo of Comet C/2011 L4 PANSTARRS on March 19 resembles those taken by the orbiting Stereo-B spacecraft. Check out this video (and the one below) to see what I mean. Most  observers using binoculars and telescopes are seeing the comet’s head, bright false nucleus and a single plume-like […]

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