Astronomy Picture of the Day ·

Sagittarius Dwarf Irregular Galaxy

The Astronomy Picture of the Day for November 16, 2004 is “Sagittarius Dwarf Irregular Galaxy,” an image. It is credited to Credit: Hubble Heritage Team ( AURA / STScI ), Y. Momany ( U. Padua ) et al., ESA , NASA. The original explanation runs about 172 words.

Sagittarius Dwarf Irregular Galaxy
Credit: Hubble Heritage Team ( AURA / STScI ), Y. Momany ( U. Padua ) et al., ESA , NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“How old is this galaxy? The nearby Local Group galaxy dubbed the Sagittarius Dwarf Irregular Galaxy (SagDIG) is not only very small but also has relatively few elements more massive than helium .”

— APOD editors, November 16, 2004

Read the full explanation on science.nasa.gov

At a glance

Date
November 16, 2004
Type
Image
Credit
Credit: Hubble Heritage Team ( AURA / STScI ), Y. Momany ( U. Padua ) et al., ESA , NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 172 words

All of November 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: November 16 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.