News tagged with comet

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Earth's center is out of sync

(Phys.org) —We all know that the Earth rotates beneath our feet, but new research from ANU has revealed that the center of the Earth is out of sync with the rest of the planet, frequently speeding up and ...

May 13, 2013
4.8 / 5 (59) 37 | with audio podcast

Image: Rosetta selfie 16 km from comet

Using the CIVA camera on Rosetta's Philae lander, the spacecraft have snapped a 'selfie' at comet 67P/Churyumov–Gerasimenko from a distance of about 16 km from the surface of the comet. The image was taken ...

Oct 15, 2014
5 / 5 (4) 1

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