News tagged with comet

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Rosetta's comet wakes up

(Phys.org) —It's back! After comet 67P/Churyumov-Gerasimenko had disappeared behind the Sun and out of the Earth's view last year in October, the target comet of ESA's Rosetta mission can now be seen again. ...

Mar 10, 2014
5 / 5 (7) 0

NEOWISE spies its first comet

(Phys.org) —NASA's Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) spacecraft has spotted a never-before-seen comet—its first such discovery since coming out of hibernation late last year.

Mar 03, 2014
4.8 / 5 (8) 1

A good year to find a comet

(Phys.org) —A team of European astronomers has found a previously unknown comet, detected as a tiny blob of light orbiting our Sun deep in the Solar System.

Feb 13, 2014
5 / 5 (2) 2 | with audio podcast

Actin cytonauts at play in the cell

(Phys.org) —Actin "comets" are scaffolds of polymer that various bacteria and viruses construct within cells. Party-crashers, like Listeria or Shigella bacteria, are able to seed structures using special ...

Jan 21, 2014 report
4.4 / 5 (5) 0 | with audio podcast

Image: Rosetta's comet

(Phys.org) —ESA's Rosetta spacecraft woke up 20 January, after 31 months in deep space hibernation, to catch up with comet 67P/Churyumov–Gerasimenko.

Jan 21, 2014
5 / 5 (6) 0

Rosetta's final sprint to the comet

(Phys.org) —After a ten-year journey and a long, deep sleep the Rosetta space probe was woken up on 20 January. The vehicle now starts the last leg of its journey which will lead it to the 67P/Churyumov-Gerasimenko ...

Jan 21, 2014
4.5 / 5 (11) 0

Rosetta: To chase a comet

Comets are among the most beautiful and least understood nomads of the night sky. To date, half a dozen of these most heavenly of heavenly bodies have been visited by spacecraft in an attempt to unlock their ...

Jan 20, 2014
4.8 / 5 (4) 0

A possible meteor shower from Comet ISON?

Hey, remember Comet C/2012 S1 ISON? Who can forget the roller-coaster ride that the touted "Comet of the Century" took us on last year. Well, ISON could have one more trick up its cosmic sleeve –although ...

Jan 15, 2014
3.8 / 5 (5) 0