Astronomy Picture of the Day · October 9, 1999

The Frothy Milky Way

The Astronomy Picture of the Day for October 9, 1999 is “The Frothy Milky Way,” an image. It is credited to Credit: W. Waller (Tufts) and F. Varosi (GSFC), IRAS, SkyView, NASA. The original explanation runs about 125 words.

From the explanation

“Astronomers have discovered that looking at dust along the plane of our Milky Way Galaxy is a bit like looking into a frothy glass of beer. The dust between stars in our galaxy appears to be arranged like a foam with bubbles and voids — churned by shocks and winds generated as stars cycle through their lives .”

— APOD editors, October 9, 1999

Read the full explanation on science.nasa.gov

At a glance

Date: October 9, 1999
Type: Image
Credit: Credit: W. Waller (Tufts) and F. Varosi (GSFC), IRAS, SkyView, NASA
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 125 words

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

Topics in this entry

The Milky Way Galaxies

Topics are matched from words in the title and explanation.

On this day: October 9 in other years

On Amazon

Popular picks for space fans

As an Amazon Associate I earn from qualifying purchases.

Electronics Amazon Kindle Paperwhite Signature Edition 32GB Read astronomy and space-history books anywhere. View on Amazon → Electronics Bose QuietComfort Wireless Headphones Noise-cancelling headphones for documentaries and launch livestreams. View on Amazon →

Source

Astronomy Picture of the Day, October 9, 1999 — science.nasa.gov/image-article/apod-1999-october-09-the-frothy-milky-way

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.