Author Archives: Karen

Karen is chief editor for ESA's Science & Technology website.

Beneath the surface of Comet 67P

While scientists and the public alike have been astounded by the unexpected shape of Comet 67P/ Churyumov-Gerasimenko’s nucleus, what lies beneath the surface is just as important scientifically. Comet interiors preserve a unique record from the formation...

The ups and downs of a comet’s surface

This time last year little was known about Agilkia, the area chosen as Philae‘s landing site. One year on and the situation has changed, thanks to remote and in-situ measurements that have contributed to building up a...

A fall of comet dust and a field of boulders

From the earliest clear views of comet 67P/Churyumov-Gerasimenko it was obvious that the surface is a collection of contrasts: smooth plains, imposing craggy cliffs and scatterings of boulders. Rosetta scientists are now digging into the detail to...

Philae’s descent: The director’s cut

This blog post is contributed by Mark McCaughrean, Senior Science Advisor at ESA. On 30 July, the first papers covering the scientific results obtained by Philae on the surface of Comet 67P/Churyumov-Gerasimenko were published in Science magazine....

New: Interactive viewer for comet 67P/C-G

In the week that we celebrate a year that Rosetta has been at Comet 67P/Churyumov-Gerasimenko and mark their passage through perihelion, we are delighted to present a new interactive tool that allows you to explore the shape...

A shape model – what’s that?

Today, a new shape model of Rosetta’s comet is released by ESA. Some of you might immediately know what this is and how you might use it, and others will wonder ‘what’s that?’  This blog post, which...