67p/churyumov–gerasimenko

On Dune(s)

Researchers in France have explained the large dune-like patterns found on the surface of comet 67P/Churyumov-Gerasimenko. Images collected by the now-retired Rosetta probe and its OIRIS camera revealed the presence of dune-like patterns on the…


The Big Kahuna rubber ducky

Looming ominously large over Rosetta, this is comet 67P/Churyumov–Gerasimenko. Look at the full resolution to feel the threat of this giant boulder falling out of your computer screen.


Comet Coma from afar

In September 2015, a team of astronomers from the National Astronomical Observatory of Japan, University of Michigan, Kyoto Sangyo University, Rikkyo University and the University of Tokyo successfully observed the entire hydrogen coma of the…



Comet on (Carbon) Ice

As Rosetta’s comet approached its most active period last year, the spacecraft spotted carbon dioxide ice – never before seen on a comet – followed by the emergence of two unusually large patches of water…


Comet Close-ups

During the last few weeks of its mission, ESA’s Rosetta spacecraft ventured closer than it had ever been to Comet 67P/Churyumov–Gerasimenko. Eventually, it came to rest on the surface in a daring descent on 30…


From exoplanets to local comets

During the last month of Rosetta’s operations at Comet 67P/Churyumov-Gerasimenko, it was no longer possible to observe the comet with telescopes on Earth because it was too close to the Sun’s position in the sky…