67P/Churyumov-Gerasimenko with its temporary moon (circle)

Images sent back by ESA's Rosetta comet probe show that it wasn't only thing orbiting comet 67P/Churyumov-Gerasimenko (67P/C-G). A comparison of images taken four years ago when the comet was closest to the Sun shows a piece of debris about 4 m (13 ft) in diameter circling 67P/C-G like a mini-moon.

Continue Reading Rosetta images reveal comet 67P/C-G had a tiny, temporary moon

Category: Space