Jets can be seen streaming out of the nucleus, or main body, of comet Hartley 2 in this image from NASA’s EPOXI mission. The nucleus is approximately 2 kilometers (1.2 miles) long and .4 kilometers (.25 miles) across at the narrow “neck.” Credit: NASA/JPL-Caltech/UMD
Greenbelt, MD-(ENEWSPF)- Hartley 2’s hyperactive state, as studied by NASA’s EPOXI mission, is detailed in a new paper published in this week’s issue of the journal Science by an international team…
