Astronomy Picture of the Day · January 21, 2011

Alnitak, Alnilam, Mintaka

The Astronomy Picture of the Day for January 21, 2011 is “Alnitak, Alnilam, Mintaka,” an image. The picture is copyrighted by its creator (Image Credit & Copyright: Sergi Verdugo Martínez). The original explanation runs about 131 words.

From the explanation

“Alnitak , Alnilam , and Mintaka , are the bright bluish stars from east to west (left to right) along the diagonal in this gorgeous cosmic vista. Otherwise known as the Belt of Orion , these three blue supergiant stars are hotter and much more massive than the Sun.”

— APOD editors, January 21, 2011

Read the full explanation on science.nasa.gov

At a glance

Date: January 21, 2011
Type: Image
Credit: Credit: Image Credit & Copyright: Sergi Verdugo Martínez
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 131 words

All of January 2011 → · 2011 by month → · Full archive since 1995 →

Topics in this entry

The Sun Orion Nebulae

Topics are matched from words in the title and explanation.

On this day: January 21 in other years

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Source

Astronomy Picture of the Day, January 21, 2011 — science.nasa.gov/image-article/apod-2011-january-21-alnitak-alnilam-mintaka

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.