Astronomy Picture of the Day · January 13, 1997

Sunspots: Magnetic Depressions

The Astronomy Picture of the Day for January 13, 1997 is “Sunspots: Magnetic Depressions,” an image. It is credited to Credit: National Solar Observatory. The original explanation runs about 139 words.

From the explanation

“Explanation : Our Sun has spots! These spots appear dark in photographs like the one above, but in fact sunspots are quite bright – they are just dark compared to the rest of the Sun.”

— APOD editors, January 13, 1997

Read the full explanation on science.nasa.gov

At a glance

Date: January 13, 1997
Type: Image
Credit: Credit: National Solar Observatory
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 139 words

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

Topics in this entry

The Sun

Topics are matched from words in the title and explanation.

On this day: January 13 in other years

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Source

Astronomy Picture of the Day, January 13, 1997 — science.nasa.gov/image-article/apod-1997-january-13-sunspots-magnetic-depressions

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.