Astronomy Picture of the Day ·

The Einstein Cross Gravitational Lens

The Astronomy Picture of the Day for October 10, 2000 is “The Einstein Cross Gravitational Lens,” an image. The picture is copyrighted by its creator (Credit & Copyright: J. Rhoads ( STScI ) et al. , WIYN , AURA , NOAO , NSF). The original explanation runs about 132 words.

The Einstein Cross Gravitational Lens
Credit & Copyright: J. Rhoads ( STScI ) et al. , WIYN , AURA , NOAO , NSF Copyrighted Shown from science.nasa.gov. Not hosted by OpenOrbit.

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, October 10, 2000

Read the full explanation on science.nasa.gov

At a glance

Date
October 10, 2000
Type
Image
Credit
Credit & Copyright: J. Rhoads ( STScI ) et al. , WIYN , AURA , NOAO , NSF
Copyright
Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length
About 132 words

All of October 2000 → · 2000 by month → · Full archive since 1995 →

Topics in this entry

Galaxies

Topics are matched from words in the title and explanation.

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Source

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.