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#SpaceNews: Arecibo radar captures revealing images of Comet 45P

Though not visible to the naked eye or even with binoculars, the green-tailed Comet 45P/Honda-Mrkos-Pajdusakova (HMP) did not escape the gaze of the world-renowned Arecibo Observatory. Scientists from the University of Arizona’s Lunar and Planetary Laboratory (LPL) and the Universities Space Research Association (USRA) at Arecibo Observatory have been studying the comet with radar to better understand its solid nucleus and the dusty coma that surrounds it.
“Comets are remnants of the planet forming process and are part of a group of objects made of water ice and rocky material that formed beyond Neptune”, noted Dr. Ellen Howell, Scientist at LPL and the leader of the observing campaign at Arecibo. “Studying these objects gives us an idea of how the outer reaches of our Solar System formed and evolved over time.” astronomynow.com
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