Astronomy Picture of the Day ·

SDO's Multiwavelength Sun

The Astronomy Picture of the Day for December 21, 2013 is “SDO's Multiwavelength Sun,” an image. It is credited to Image Credit: GSFC Scientific Visualization Studio , SDO , NASA. The original explanation runs about 172 words.

SDO's Multiwavelength Sun
Credit: Image Credit: GSFC Scientific Visualization Studio , SDO , NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Today, the solstice is at 17:11 Universal Time, the Sun reaching the southernmost declination in its yearly journey through planet Earth’s sky. The December solstice marks the astronomical beginning of winter in the northern hemisphere and summer in the south.”

— APOD editors, December 21, 2013

Read the full explanation on science.nasa.gov

At a glance

Date
December 21, 2013
Type
Image
Credit
Credit: Image Credit: GSFC Scientific Visualization Studio , SDO , NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 172 words

All of December 2013 → · 2013 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.