About The Author

Leszek is a research scientist at the University of Warsaw.

Depression Formation On Comet 67P/Churyumov-Gerasimenko

Photographs of the nucleus of comet 67P/Churyumov-Gerasimenko show its unexpected shape: two ellipsoidal blocks called the Head and Body, connected by a “neck.” On the surface are numerous depressions, pits, and basins of different shapes and sizes. The largest among them are Hatmehit and Imhotep, both roughly oval, relatively shallow, and about half a kilometer