Comets

Mars-Bound Comet Siding Spring Sprouts Multiple Jets

by Bob King March 27, 2014

Want to stay on top of all the space news? Follow @universetoday on Twitter Comet Siding Spring, on its way to a close brush with Mars on October 19, has been kicking up a storm lately. New images from Hubble Space Telescope taken on March 11, when the comet was just this side of Jupiter, […]

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Rosetta Wakes Up, Phones Home, Starts Tweeting

by Nancy Atkinson January 20, 2014

The silence from the live video feed from the ESA’s space operations center in Darmstadt, Germany was almost deafening. Scientists and engineers were waiting to receive a signal from the Rosetta spacecraft, which was supposed to come out of hibernation today to begin its mission to Comet 67P/Churyumov-Gerasimenko in earnest. Finally, after waiting nearly 45 […]

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Watch Live: ESA Waits for Signal from Comet-Chasing Spacecraft

by Nancy Atkinson January 20, 2014

Watch live streaming video from eurospaceagency at livestream.com UPDATE: Rosetta woke up! Read our full story about the acquisition of signal here. For the first time, a spacecraft will follow a comet as it approaches the Sun and land on its nucleus. But today is key to the success of the mission. After nearly two […]

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Weekly Space Hangout – December 27, 2013: Year in Review & Looking Forward

by Fraser Cain December 27, 2013

Host: Fraser Cain Guests: +Brian Koberlein (@briankoberlein), David Dickinson (@Astroguyz), Pamela Gay (@starstryder) Big thanks to Nicole Gugliucci (@noisyastronomer) for doing a wonderful job producing this past year! Remove this ad Fraser Cain on Google+

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Is Anything Left of ISON? Spacecraft Continue to Monitor Comet’s Remains

by Nancy Atkinson December 5, 2013

Could Comet ISON possibly still be alive? The latest high-resolution images available from the STEREO spacecraft are still showing some remains of the comet, although each day seems to show less and less activity. “If anything of ISON’s nucleus is left, it’s an inactive husk of a nucleus now,” Karl Battams from the Comet ISON […]

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