Astronomy Picture of the Day ·

The Sudbury Neutrino Detector

The Astronomy Picture of the Day for June 23, 1999 is “The Sudbury Neutrino Detector,” an image. It is credited to Credit: A. B. McDonald (Queen’s University) et al., The Sudbury Neutrino Observatory Institute. The original explanation runs about 108 words.

The Sudbury Neutrino Detector
Credit: A. B. McDonald (Queen’s University) et al., The Sudbury Neutrino Observatory Institute Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Two thousand meters below the ground, a giant sphere has begun to detect nearly invisible particles. These particles, neutrinos , are extremely abundant in the universe but usually go right through just about everything.”

— APOD editors, June 23, 1999

Read the full explanation on science.nasa.gov

At a glance

Date
June 23, 1999
Type
Image
Credit
Credit: A. B. McDonald (Queen’s University) et al., The Sudbury Neutrino Observatory Institute
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 108 words

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On this day: June 23 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.