Astronomy Picture of the Day · January 22, 2002

Neutron Bounce Quantized in Earth Gravity

The Astronomy Picture of the Day for January 22, 2002 is “Neutron Bounce Quantized in Earth Gravity,” an image. It is credited to Illustration Credit: Mark Bowick ( U. Syracuse ) et al., NPAC. The original explanation runs about 180 words.

From the explanation

“For the first time, Earth’s gravity has been used to isolate quantum energy levels of the neutron. The effect may be used in the future to test for slightly different effects of gravity on neutrally charged particles of different mass .”

— APOD editors, January 22, 2002

Read the full explanation on science.nasa.gov

At a glance

Date: January 22, 2002
Type: Image
Credit: Credit: Illustration Credit: Mark Bowick ( U. Syracuse ) et al., NPAC
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 180 words

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On this day: January 22 in other years

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Source

Astronomy Picture of the Day, January 22, 2002 — science.nasa.gov/image-article/apod-2002-january-22-neutron-bounce-quantized-in-earth-gravity

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.