Source: apod.corank.com --- Saturday, December 24, 2011
NGC 253 is not only one of the brightest spiral galaxies visible, it is also one of the dustiest . Discovered in 1783 by Caroline Herschel in the constellation of Sculptor , NGC 253 lies only about ten million light-years distant. NGC 253 is the largest member of the Sculptor Group of Galaxies , the nearest group to our own Local Group of Galaxies . The dense dark dust accompanies a high star formation rate, giving NGC 253 the designation of starburst Galaxy . Visible in the above photograph is the active central nucleus , also known to be a bright source of X-rays and gamma rays . Read more... | Original picture | Votes so far: 1 / 0 ...
Source: http://apod.corank.com/tech/story/ap111220.html
horse slaughter world aids day 2011 chester mcglockton chester mcglockton arsenic los angeles weather big ten acc challenge
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.