Astronomy Picture of the Day · May 18, 2007

M13: The Great Globular Cluster in Hercules

The Astronomy Picture of the Day for May 18, 2007 is “M13: The Great Globular Cluster in Hercules,” an image. The picture is copyrighted by its creator (Credit & Copyright: Copyright : Thomas V. Davis ( tvdavisastropix.com )). The original explanation runs about 149 words.

From the explanation

“In 1714, Edmond Halley noted that M13 “shows itself to the naked eye when the sky is serene and the Moon absent.” Of course, M13 is now modestly recognized as the Great Globular Cluster in Hercules, one of the brightest globular star clusters in the northern sky.”

— APOD editors, May 18, 2007

Read the full explanation on science.nasa.gov

At a glance

Date: May 18, 2007
Type: Image
Credit: Credit & Copyright: Copyright : Thomas V. Davis ( tvdavisastropix.com )
Copyright: Copyrighted by the credited creator. Ask the copyright holder before reusing it.
Explanation length: About 149 words

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Topics in this entry

The Moon Star clusters

Topics are matched from words in the title and explanation.

On this day: May 18 in other years

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Source

Astronomy Picture of the Day, May 18, 2007 — science.nasa.gov/image-article/apod-2007-may-18-m13-the-great-globular-cluster-in-hercules

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.