Astronomy Picture of the Day · January 15, 2001

Billows of Smog in the Outer Galaxy

The Astronomy Picture of the Day for January 15, 2001 is “Billows of Smog in the Outer Galaxy,” an image. It is credited to Credit: Chris Brunt & Jerran Ontkean ( DRAO , NRC Canada ). The original explanation runs about 119 words.

From the explanation

“Our Galaxy is filled with gas . Most of this gas is hydrogen , some is helium , but there is a trace amount of relatively heavy molecules, including carbon monoxide (CO) – a component of smog .”

— APOD editors, January 15, 2001

Read the full explanation on science.nasa.gov

At a glance

Date: January 15, 2001
Type: Image
Credit: Credit: Chris Brunt & Jerran Ontkean ( DRAO , NRC Canada )
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 119 words

All of January 2001 → · 2001 by month → · Full archive since 1995 →

Topics in this entry

Galaxies

Topics are matched from words in the title and explanation.

On this day: January 15 in other years

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Source

Astronomy Picture of the Day, January 15, 2001 — science.nasa.gov/image-article/apod-2001-january-15-billows-of-smog-in-the-outer-galaxy

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.