Astronomy Picture of the Day · December 9, 1999

X-ray Hot Supernova Remnant in the SMC

The Astronomy Picture of the Day for December 9, 1999 is “X-ray Hot Supernova Remnant in the SMC,” an image. It is credited to Credit: NASA/ CXC/ SAO. The original explanation runs about 127 words.

From the explanation

“The Q-shaped cloud seen in this false-color X-ray image from the orbiting Chandra Observatory is big … about 40 light-years across. It’s hot too, as its X-ray glow is produced by multi-million degree gas.”

— APOD editors, December 9, 1999

Read the full explanation on science.nasa.gov

At a glance

Date: December 9, 1999
Type: Image
Credit: Credit: NASA/ CXC/ SAO
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 1999 → · 1999 by month → · Full archive since 1995 →

Topics in this entry

Supernovae

Topics are matched from words in the title and explanation.

On this day: December 9 in other years

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Source

Astronomy Picture of the Day, December 9, 1999 — science.nasa.gov/image-article/apod-1999-december-09-x-ray-hot-supernova-remnant-in-the-smc

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.