Astronomy Picture of the Day ·

XZ Tauri System Ejects Gas Bubble

The Astronomy Picture of the Day for September 21, 2000 is “XZ Tauri System Ejects Gas Bubble,” an image. It is credited to Credit: John Krist ( STScI ) et al., WFPC2 , HST , NASA. The original explanation runs about 140 words.

XZ Tauri System Ejects Gas Bubble
Credit: John Krist ( STScI ) et al., WFPC2 , HST , NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“Why is the binary star system XZ Tauri emitting a hot bubble of expanding gas? Although astronomers can only presently speculate, the Hubble Space Telescope clearly documents this unusual behavior in three dramatic photographs over the past five years.”

— APOD editors, September 21, 2000

Read the full explanation on science.nasa.gov

At a glance

Date
September 21, 2000
Type
Image
Credit
Credit: John Krist ( STScI ) et al., WFPC2 , HST , NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 140 words

All of September 2000 → · 2000 by month → · Full archive since 1995 →

Topics in this entry

Hubble Space Telescope

Topics are matched from words in the title and explanation.

On this day: September 21 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

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.