Astronomy Picture of the Day ·
M101: The Pinwheel Galaxy
The Astronomy Picture of the Day for April 14, 2009 is “M101: The Pinwheel Galaxy,” an image. The picture is copyrighted by its creator (Credit & Copyright: Adam Block , Mt. Lemmon SkyCenter , U. Arizona). The original explanation runs about 109 words.
From the explanation
“Why do many galaxies appear as spirals ? A striking example is M101 , shown above , whose relatively close distance of about 27 million light years allows it to be studied in some detail.”
— APOD editors, April 14, 2009
Read the full explanation on science.nasa.gov
Advertisement
At a glance
- Date
- April 14, 2009
- Type
- Image
- Credit
- Credit & Copyright: Adam Block , Mt. Lemmon SkyCenter , U. Arizona
- Copyright
- Copyrighted by the credited creator. Ask the copyright holder before reusing it.
- Explanation length
- About 109 words