Astronomy Picture of the Day ·

Keck: The Largest Optical Telescopes

The Astronomy Picture of the Day for December 27, 1997 is “Keck: The Largest Optical Telescopes,” an image. It is credited to Credit: P. Stomski (W. M. Keck Observatory), Caltech, U. California. The original explanation runs about 135 words.

Keck: The Largest Optical Telescopes
Credit: P. Stomski (W. M. Keck Observatory), Caltech, U. California Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“In buildings eight stories tall rest mirrors ten meters across that are slowly allowing humanity to map the universe. Alone, each is the world’s largest optical telescope : Keck .”

— APOD editors, December 27, 1997

Read the full explanation on science.nasa.gov

At a glance

Date
December 27, 1997
Type
Image
Credit
Credit: P. Stomski (W. M. Keck Observatory), Caltech, U. California
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 135 words

All of December 1997 → · 1997 by month → · Full archive since 1995 →

On this day: December 27 in other years

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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.