View Full Version : Fizzy Comet Hartley 2 is Throwing Snowballs

2010-Nov-21, 07:30 PM
As Jessica Sunshine said, Comet Hartley 2 might be the smallest of the five comets that spacecraft have visited, but no doubt it is the most interesting, and for its size, the most active. Sunshine is the EPOXI mission deputy principal investigator, and she and her team have had the chance to analyze the images [...]

More... (http://www.universetoday.com/79401/fizzy-comet-hartley-2-is-throwing-snowballs/)

2010-Nov-29, 01:36 AM
“This is the first time we’ve ever seen individual chunks of ice in the cloud around a comet or jets definitively powered by carbon dioxide gas,” said Michael A’Hearn, principal investigator for the spacecraft. “We looked for, but didn’t see, such ice particles around comet Tempel 1,” the comet that the Deep Impact spacecraft flew by in 2005.

Ok, this is confusing: At the Tempel 1 briefings, I remember A'Hearn insisted there was water-ice in a largely dust plume at Tempel 1. Is my memory that bad?