Astronomy Picture of the Day ·

I Zwicky 18: Young Galaxy

The Astronomy Picture of the Day for December 3, 2004 is “I Zwicky 18: Young Galaxy,” an image. It is credited to Credit: Y. Izotov ( Main Astronomical Obs. , Ukraine), T. Thuan ( Univ. Virginia ), ESA , NASA. The original explanation runs about 163 words.

I Zwicky 18: Young Galaxy
Credit: Y. Izotov ( Main Astronomical Obs. , Ukraine), T. Thuan ( Univ. Virginia ), ESA , NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“5 billion years. But all the stars in dwarf galaxy I Zwicky 18 are much younger.”

— APOD editors, December 3, 2004

Read the full explanation on science.nasa.gov

At a glance

Date
December 3, 2004
Type
Image
Credit
Credit: Y. Izotov ( Main Astronomical Obs. , Ukraine), T. Thuan ( Univ. Virginia ), ESA , NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 163 words

All of December 2004 → · 2004 by month → · Full archive since 1995 →

Topics in this entry

Galaxies

Topics are matched from words in the title and explanation.

On this day: December 3 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.