Astronomy Picture of the Day · February 7, 2010

The Einstein Cross Gravitational Lens

The Astronomy Picture of the Day for February 7, 2010 is “The Einstein Cross Gravitational Lens,” an image. The picture is copyrighted by its creator (Credit & Copyright: J. Rhoads ( ASU ) et al., WIYN , AURA , NOAO , NSF). The original explanation runs about 132 words.

From the explanation

“Most galaxies have a single nucleus — does this galaxy have four? The strange answer leads astronomers to conclude that the nucleus of the surrounding galaxy is not even visible in this image .”

— APOD editors, February 7, 2010

Read the full explanation on science.nasa.gov

At a glance

Date: February 7, 2010
Type: Image
Credit: Credit & Copyright: J. Rhoads ( ASU ) et al., WIYN , AURA , NOAO , NSF
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 132 words

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Topics in this entry

Galaxies

Topics are matched from words in the title and explanation.

On this day: February 7 in other years

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Source

Astronomy Picture of the Day, February 7, 2010 — science.nasa.gov/image-article/apod-2010-february-7-the-einstein-cross-gravitational-lens

Copy taken Oct 28, 2026, 2:39 AM EDT. The image and explanation belong to their creators. OpenOrbit is not affiliated with or endorsed by NASA.