.
Close Encounter Coming With Ghostly Green Comet
October 1, 2010
Comet Hartley 2 will swoop within 11 million miles of Earth on October 20, one of the closest approaches of any comet in the last few centuries.
Hartley 2 is already visible as a pale green streak in the W-shaped constellation Cassiopeia….
…October 20 marks the closest approach of Hartley 2 to Earth since its discovery in 1986. But two weeks later, a spacecraft from Earth will get closer still. The NASA EPOXI mission (formerly known as Deep Impact) will fly within 435 miles of the comet’s icy nucleus on November 4 — only the fifth time ever that a spacecraft has been close enough to image a comet’s core…”
See:
http://www.wired.com/wiredscience/2010/10/hartley-2-comet/#ixzz11UjexTpl
NASA Mission 'E-Minus' One Month to Comet Flyby
“…The EPOXI mission's Nov. 4 encounter with Hartley 2 will be only the fifth time in history that a comet has been imaged close-up. At point of closest approach, the spacecraft will be about 700 kilometers (435 miles) from the comet….”
http://www.jpl.nasa.gov/news/news.cfm?release=2010-321
SKY SIGNS
http://www.call2holiness.org/skysigns/skysigns.html
.
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment