Comets

Australian Amateur Terry Lovejoy Discovers New Comet

by Bob King August 19, 2014

Want to stay on top of all the space news? Follow @universetoday on Twitter It’s confirmed! Australian amateur astronomer Terry Lovejoy just discovered his fifth comet, C/2014 Q2 (Lovejoy). He found it August 17th using a Celestron C8 fitted with a CCD camera at his roll-off roof observatory in Brisbane, Australia.  Remove this ad

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Gravity Isn’t The Only Thing Holding Asteroids Together: Study

by Elizabeth Howell August 14, 2014

How do asteroids hold their rubble piles together? Previously, scientists said it was a combination of friction and gravity. But new observations of asteroid 1950 DA reveals something else is at work. The asteroid is rotating too quickly for gravity to keep it together, so what’s going on? Remove this ad Elizabeth Howell on Google+

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Rosetta’s Comet, Now in 3-D

by Nancy Atkinson August 14, 2014

You always have a pair of those cardboard red-blue 3-D glasses by your desk, right? Well, grab them and take a look at this view of Comet 67P/Churyumov-Gerasimenko, just out from the Rosetta mission team. It almost feels like you’re right there with the spacecraft. Remove this ad Nancy Atkinson on Google+

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Rosetta’s Comet Already Spewing Dust, One Year Before Getting Close To The Sun

by Elizabeth Howell August 13, 2014

Mark your calendars, astronomy geeks: exactly one year from today, the comet the Rosetta spacecraft is chasing will make its closest approach to the Sun. As Comet 67P/Churyumov–Gerasimenko draws closer to the star, the radiation pressure will cause gas, ice and dust to stream off the comet in ever greater quantities, scientists expect. But that […]

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Some Of Comet ISON’s Organic Materials Arose In An Unexpected Place

by Elizabeth Howell August 12, 2014

While Comet ISON’s breakup around Thanksgiving last year disappointed many amateur observers, its flight through the inner solar system beforehand showed scientists something neat: it was carrying organic materials with it. A group examined the molecules surrounding the comet in its coma (atmosphere) and, along with observations of Comet Lemmon, created a 3-D model that […]

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