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View Full Version : Galaxy Cluster Abell 1689 Deflects Light



William
17-09-2013, 2:55pm
Warning !! Only Astromomy nerds will appreciate :D

This thing is big and deflects light with it's gravity

From NASA POTD : http://apod.nasa.gov/apod/ap130917.html

ameerat42
17-09-2013, 7:23pm
Acts as a "gravity lens".
Ta WIlliam. Interesting posts, as usual.

PS. So does almost any object, but locally, the sun does it to a noticeable (with equipment) extent.

dutch2
18-09-2013, 12:09pm
Great picture from Hubble.
thanks for the link.