Jump to content

Welcome to Unexplained Mysteries! Please sign in or create an account to start posting and to access a host of extra features.

- - - - -

IRIS Readies For a New Challenge

sun corona iris nasa

  • Please log in to reply
No replies to this topic

#1    Waspie_Dwarf


    Space Cadet

  • 32,757 posts
  • Joined:03 Mar 2006
  • Gender:Male
  • Location:Bexleyheath, Kent, UK

  • We are all in the gutter, but some of us are looking at the stars.

    Oscar Wilde

Posted 20 May 2013 - 09:10 PM

NASA | Mission Trailer: IRIS Readies For a New Challenge

NASA is getting ready to launch a new mission, a mission to observe a mysterious region of the solar atmosphere that may be crucial to understanding what powers space weather.

In late June 2013, the Interface Region Imaging Spectrograph, or IRIS, will launch from Vandenberg Air Force Base, Calif. IRIS will tease out the rules governing the lowest layers of the solar atmosphere -- historically some of the hardest to untangle. Known as the solar interface region, this is one of the most complex areas in the sun's atmosphere: all the energy that drives solar activity travels through it.

The interface region lies between the sun's 6,000-degree, white-hot, visible surface, the photosphere, and the much hotter multi-million-degree upper corona. Interactions between the violently moving plasma and the sun's magnetic field in this area may well be the source of the energy that heats the corona to its million-degree temperatures, some hundreds and occasionally thousands of times hotter than the sun's surface. The chromosphere is also considered a candidate as the origin for giant explosions on the sun such as solar flares and coronal mass ejections.

IRIS will use high-resolution images, data and advanced computer models to unravel how solar gases move, gather energy and heat up through the lower solar atmosphere. Outfitted with state-of-the-art tools, IRIS will be able to tease apart what's happening in the solar interface region better than ever before.

Credit: NASA's Goddard Space Flight Center

Source: NASA - Multimedia

"Space is big. Really big. You just won't believe how vastly, hugely, mind-boggingly big it is. I mean, you may think it's a long way down the street to the chemist, but that's just peanuts to space." - The Hitch-Hikers Guide to the Galaxy - Douglas Adams 1952 - 2001

Posted Image
Click on button

Also tagged with sun, corona, iris, nasa

0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users