Astronomy Picture of the Day ·

Infrared Andromeda

The Astronomy Picture of the Day for July 21, 2007 is “Infrared Andromeda,” an image. It is credited to Credit: Pauline Barmby ( Harvard-Smithsonian CfA ) et al. , JPL , Caltech , NASA. The original explanation runs about 147 words.

Infrared Andromeda
Credit: Pauline Barmby ( Harvard-Smithsonian CfA ) et al. , JPL , Caltech , NASA Shown from science.nasa.gov. Not hosted by OpenOrbit.

From the explanation

“5 million light-years away. In fact, with over twice the diameter of our own Milky Way, Andromeda is the largest nearby galaxy.”

— APOD editors, July 21, 2007

Read the full explanation on science.nasa.gov

At a glance

Date
July 21, 2007
Type
Image
Credit
Credit: Pauline Barmby ( Harvard-Smithsonian CfA ) et al. , JPL , Caltech , NASA
Copyright
No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length
About 147 words

All of July 2007 → · 2007 by month → · Full archive since 1995 →

Topics in this entry

The Milky WayAndromeda GalaxyGalaxies

Topics are matched from words in the title and explanation.

On this day: July 21 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.