View Full Version : Mars Comet Was Bleeding Hydrogen As It Sped By Red Planet

2014-Oct-24, 03:00 PM
As Comet Siding Spring passed close by Mars on Sunday (Oct. 19), NASA’s newest Mars spacecraft took a time-out from its commissioning to grab some ultraviolet pictures of its coma. What you see above is hydrogen, a whole lot of it, leaving the comet in this picture taken from 5.3 million miles (8.5 million kilometers). […]

More... (http://www.universetoday.com/115637/mars-comet-was-bleeding-hydrogen-as-it-sped-by-red-planet/)

Amber Robot
2014-Oct-24, 07:17 PM
When Comet Hale-Bopp came by, its hydrogen corona was 70 times the size of the sun.