Astronomy Picture of the Day · July 25, 2008

Spitzer's M101

The Astronomy Picture of the Day for July 25, 2008 is “Spitzer's M101,” an image. It is credited to Credit: NASA , JPL-Caltech , K. Gordon ( STScI ) et al.. The original explanation runs about 189 words.

From the explanation

“Big, beautiful spiral galaxy M101 is one of the last entries in Charles Messier’s famous catalog, but definitely not one of the least. About 170,000 light-years across, this galaxy is enormous, almost twice the size of our own Milky Way Galaxy.”

— APOD editors, July 25, 2008

Read the full explanation on science.nasa.gov

At a glance

Date: July 25, 2008
Type: Image
Credit: Credit: NASA , JPL-Caltech , K. Gordon ( STScI ) et al.
Copyright: No copyright notice on the entry. Check the credited institution’s own usage rules before reusing it.
Explanation length: About 189 words

All of July 2008 → · 2008 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: July 25 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, July 25, 2008 — science.nasa.gov/image-article/apod-2008-july-25-spitzers-m101

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.