PDA

View Full Version : The Cosmic Horseshoe, a Nearly Complete Einstein Ring



Fraser
2007-Jun-19, 05:45 PM
If you want to peer into the furthest reaches of space, a regular telescope won't do. You need to harness the power of a massive galaxy to bend light from an even more distant galaxy - a gravitational lens. ...

Read the full blog entry (http://www.universetoday.com/2007/06/19/the-cosmic-horseshoe-a-nearly-complete-einstein-ring/)

Nick4
2007-Jun-19, 07:45 PM
Thats a really cool pic

Knowledge_Seeker
2007-Jun-19, 11:36 PM
Wow that's really amazing. That is gravitational lensing at its best (almost).

Pertti
2007-Jun-20, 07:31 AM
Is the blueish color of the lensed galaxy due to chromatic aberration? If we traveled some distance away from the blueish point of focus, would we then encounter other colors?