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

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 4.4 / 5 (5) 0 | with audio podcast report

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