Astronomy Picture of the Day · July 11, 1995

Microlensing of the Einstein Cross

The Astronomy Picture of the Day for July 11, 1995 is “Microlensing of the Einstein Cross,” an image. It is credited to Geraint Lewis and Michael Irwin, William Hershel Telescope. The original explanation runs about 130 words.

From the explanation

“The famous “Einstein Cross” is a case where a single object is seen four times. Here a very distant QSO happened to be placed right behind a massive galaxy.”

— APOD editors, July 11, 1995

Read the full explanation on science.nasa.gov

At a glance

Date: July 11, 1995
Type: Image
Credit: Credit: Geraint Lewis and Michael Irwin, William Hershel Telescope
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 130 words

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Topics in this entry

Galaxies

Topics are matched from words in the title and explanation.

On this day: July 11 in other years

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Source

Astronomy Picture of the Day, July 11, 1995 — science.nasa.gov/image-article/apod-1995-july-11-microlensing-of-the-einstein-cross

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.