Astronomy Picture of the Day · September 17, 2013

Galaxy Cluster Abell 1689 Deflects Light

The Astronomy Picture of the Day for September 17, 2013 is “Galaxy Cluster Abell 1689 Deflects Light,” an image. It is credited to Credit: NASA , ESA , Hubble Heritage Team ( STScI / AURA ), and J. Blakeslee ( NRC Herzberg , DAO ) & H. Ford ( JHU ). The original explanation runs about 181 words.

From the explanation

“It is one of the most massive objects in the visible universe.”

— APOD editors, September 17, 2013

Read the full explanation on science.nasa.gov

At a glance

Date: September 17, 2013
Type: Image
Credit: Credit: NASA , ESA , Hubble Heritage Team ( STScI / AURA ), and J. Blakeslee ( NRC Herzberg , DAO ) & H. Ford ( JHU )
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 181 words