Astronomy Picture of the Day ·

The Sun in X-rays from NuSTAR

The Astronomy Picture of the Day for December 29, 2014 is “The Sun in X-rays from NuSTAR,” an image. It is credited to Image Credit: NuSTAR , SDO , NASA. The original explanation runs about 161 words.

The Sun in X-rays from NuSTAR
Credit: Image Credit: NuSTAR , SDO , NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Why are the regions above sunspots so hot? Sunspots themselves are a bit cooler than the surrounding solar surface because the magnetic fields that create them reduce convective heating.”

— APOD editors, December 29, 2014

Read the full explanation on science.nasa.gov

At a glance

Date
December 29, 2014
Type
Image
Credit
Credit: Image Credit: NuSTAR , SDO , NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 161 words

All of December 2014 → · 2014 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 29 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.