News tagged with comet

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Rosetta measures comet's temperature

(Phys.org) —ESA's Rosetta spacecraft has made its first temperature measurements of its target comet, finding that it is too hot to be covered in ice and must instead have a dark, dusty crust.

Aug 01, 2014
4.9 / 5 (20) 1

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

OSIRIS catches glimpse of Rosetta's shadow

Several days after Rosetta's close flyby of comet 67P/Churyumov-Gerasimenko on 14 February 2015, images taken on this day by OSIRIS, the scientific imaging system on board, have now been downlinked to Earth. ...

Mar 03, 2015
4.5 / 5 (11) 2