Astronomy Picture of the Day · April 28, 2004

The Smooth Spheres of Gravity Probe B

The Astronomy Picture of the Day for April 28, 2004 is “The Smooth Spheres of Gravity Probe B,” an image. It is credited to Credit: Gravity Probe B Team, Stanford , NASA. The original explanation runs about 148 words.

From the explanation

“Does gravity have a magnetic counterpart? Spin any electric charge and you get a magnetic field.”

— APOD editors, April 28, 2004

Read the full explanation on science.nasa.gov

At a glance

Date: April 28, 2004
Type: Image
Credit: Credit: Gravity Probe B Team, Stanford , NASA
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 148 words

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On this day: April 28 in other years

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Source

Astronomy Picture of the Day, April 28, 2004 — science.nasa.gov/image-article/apod-2004-april-28-the-smooth-spheres-of-gravity-probe-b

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.