Astronomy Picture of the Day ·

High Velocity Clouds and the Milky Way

The Astronomy Picture of the Day for December 14, 1999 is “High Velocity Clouds and the Milky Way,” an image. It is credited to Credit: B. Wakker (U. Wisconsin-Madison) et al., NASA. The original explanation runs about 177 words.

High Velocity Clouds and the Milky Way
Credit: B. Wakker (U. Wisconsin-Madison) et al., NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Where are these gas clouds going so quickly? High velocity clouds (HVCs) of gas have been seen for decades but their origins and destinations have remained mysterious.”

— APOD editors, December 14, 1999

Read the full explanation on science.nasa.gov

At a glance

Date
December 14, 1999
Type
Image
Credit
Credit: B. Wakker (U. Wisconsin-Madison) et al., NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 177 words

All of December 1999 → · 1999 by month → · Full archive since 1995 →

Topics in this entry

The Milky WayGalaxies

Topics are matched from words in the title and explanation.

On this day: December 14 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.