Astronomy Picture of the Day · March 9, 2002

A Quasar Portrait Gallery

The Astronomy Picture of the Day for March 9, 2002 is “A Quasar Portrait Gallery,” an image. It is credited to Credit J. Bahcall ( IAS, Princeton ), M. Disney ( Univ. Wales ), NASA. The original explanation runs about 126 words.

From the explanation

“Quasars (QUASi-stellAR objects) lie near the edge of the observable Universe . Discovered in 1963, astronomers were astounded that such objects could be visible across billions of light-years, as this implies they must emit prodigious amounts of energy.”

— APOD editors, March 9, 2002

Read the full explanation on science.nasa.gov

At a glance

Date: March 9, 2002
Type: Image
Credit: Credit J. Bahcall ( IAS, Princeton ), M. Disney ( Univ. Wales ), NASA
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 126 words

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Topics in this entry

Black holes

Topics are matched from words in the title and explanation.

On this day: March 9 in other years

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Source

Astronomy Picture of the Day, March 9, 2002 — science.nasa.gov/image-article/apod-2002-march-9-a-quasar-portrait-gallery

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.