A Solar Prominence Unfurls

Robby

The News Robot
Joined
Jul 28, 2004
Location
Terra
#1
NASA Astronomy Picture Of The Day
A Solar Prominence Unfurls





A Solar Prominence Unfurls
Credit: STEREO Project, NASA

Explanation: On September 29, this magnificent eruptive solar prominence lifted away from the Sun's surface, unfurling into space over the course of several hours. Suspended in twisted magnetic fields, the hot plasma structure is many times the size of planet Earth and was captured in this view by the Sun-watching STEREO (Ahead) spacecraft. The image was recorded in extreme ultraviolet light emitted by ionized Helium, an element originally identified in the solar spectrum. Seen against the brilliant solar surface in visible light, such prominences appear as dark filaments because they are relatively cool. But they are bright themselves when viewed against the blackness of space, arcing above the Sun's edge. A video of the eruption (a 2.6MB .mov file) is available here.



(Via NASA)
 

Kevin

Code Monkey
Staff member
Joined
Mar 20, 2004
Location
Pennsylvania
#2
Anybody else look at pictures like that and think of movies like Frequency? Everyday there are countless waves of energy being bombarded across the Earth, through us, and yet for the most part we are oblivious to it.

Somewhere along the way there must be times when those waves do more than just pass through.