Great new OSIRIS images of individual dust jets coming off comet 67P/Churyumov–Gerasimenko, from the Rosetta spacecraft. They were taken about half an hour after the Sun had set in the region, and show many individual jets erupting from the comet’s surface.
Read MoreImage Gallery: the jets of comet 67P/Churyumov–Gerasimenko
A stunning view of the Hathor and Seth regions on the comet, taken by the Rosetta spacecraft. The cliffs of Hathor loom in the background. Some jet activity can also be seen in the closer foreground. See also the Rosetta blog post here.
Read MoreImage Gallery: the cliffs of Hathor on comet 67P/Churyumov-Gerasimenko
The impact of comet Shoemaker-Levy 9 into Jupiter in 1994 was a spectacular event for astronomers. The scars in Jupiter’s atmosphere lasted for weeks afterward; while those have long since faded, there are still other features of the impact visible even now, it was announced last Tuesday.
Read MoreThere’s a lot of water in Jupiter’s atmosphere, thanks to comet impact
New evidence from the Spitzer Space Telescope suggests that there is a “storm” of comets surrounding a nearby star, Eta Corvi, which is about 60 light-years from …
As a follow-on to the previous post, which newly proposed mission for NASA’s Discovery program would you like to see happen? Only one will be …