Astronomy Picture of the Day · November 25, 2002

The Earth's Magnetic Field

The Astronomy Picture of the Day for November 25, 2002 is “The Earth's Magnetic Field,” an image. The picture is copyrighted by its creator (Credit & Copyright: Gary A. Glatzmaier ( UCSC )). The original explanation runs about 136 words.

From the explanation

“Why does the Earth have a magnetic field ? The electrical conductivity of the molten plasma of the Earth’s core should be able to damp the current magnetic field in only thousands of years.”

— APOD editors, November 25, 2002

Read the full explanation on science.nasa.gov

At a glance

Date: November 25, 2002
Type: Image
Credit: Credit & Copyright: Gary A. Glatzmaier ( UCSC )
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 136 words

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On this day: November 25 in other years

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Source

Astronomy Picture of the Day, November 25, 2002 — science.nasa.gov/image-article/apod-2002-november-25-the-earths-magnetic-field

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.