Astronomy Picture of the Day ·

Solstice Sun In Soft X-rays

The Astronomy Picture of the Day for December 21, 1998 is “Solstice Sun In Soft X-rays,” an image. It is credited to Credit: ISAS, Yohkoh Project, SXT Group. The original explanation runs about 127 words.

Solstice Sun In Soft X-rays
Credit: ISAS, Yohkoh Project, SXT Group Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“The solstice occurs today at 8:56 PM Eastern Standard Time. At the solstice the sun reaches its most southerly position in the sky and winter begins for the Northern Hemisphere while summer starts South of the Equator.”

— APOD editors, December 21, 1998

Read the full explanation on science.nasa.gov

At a glance

Date
December 21, 1998
Type
Image
Credit
Credit: ISAS, Yohkoh Project, SXT Group
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 127 words

All of December 1998 → · 1998 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: December 21 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.