Astronomy Picture of the Day ·

PG 1115+080 A Ghost of Lensing Past

The Astronomy Picture of the Day for November 2, 1998 is “PG 1115+080 A Ghost of Lensing Past,” an image. It is credited to Credit: C. Impey (U. Arizona) et al., CASTLES Survey, NICMOS, HST, NASA. The original explanation runs about 190 words.

PG 1115+080 A Ghost of Lensing Past
Credit: C. Impey (U. Arizona) et al., CASTLES Survey, NICMOS, HST, NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“In this tangle of quasars and galaxies lies a clue to the expansion rate of the universe. A diffuse glow evident in the picture on the left reveals a normal elliptical galaxy .”

— APOD editors, November 2, 1998

Read the full explanation on science.nasa.gov

At a glance

Date
November 2, 1998
Type
Image
Credit
Credit: C. Impey (U. Arizona) et al., CASTLES Survey, NICMOS, HST, NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 190 words

All of November 1998 → · 1998 by month → · Full archive since 1995 →

Topics in this entry

Galaxies

Topics are matched from words in the title and explanation.

On this day: November 2 in other years

On Amazon

Popular picks for space fans

As an Amazon Associate I earn from qualifying purchases.

Electronics Amazon Kindle Paperwhite Signature Edition 32GB Read astronomy and space-history books anywhere. View on Amazon → Electronics Bose QuietComfort Wireless Headphones Noise-cancelling headphones for documentaries and launch livestreams. View on Amazon →

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.