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Credit & Copyright: Processing - Noel Carboni,
Imaging - Greg Parker
Explanation:
Gathered
at the center of this sharp skyview are the stars of
Messier 67,
one of the oldest known
open star clusters.
In fact, though open star clusters are usually much younger, the
stars of M67
are likely around 4 billion years old, about
the same age and with about the same elemental abundances as
the Sun.
Open clusters are almost always
younger because they are dispersed
over time as they encounter other stars,
interstellar clouds, and experience gravitational tides while
orbiting
the center of our galaxy.
Still, M67 contains over 500 stars or so and lies some
2,800 light-years away in the
constellation
Cancer.
At that estimated distance, M67 would be about 12 light-years across.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: open cluster - M 67
Publications with words: open cluster - M 67
See also:
- APOD: 2025 April 28 B Gum 37 and the Southern Tadpoles
- Open Star Clusters M35 and NGC 2158
- APOD: 2025 February 25 B M41: The Little Beehive Star Cluster
- APOD: 2025 February 11 B The Spider and the Fly
- APOD: 2024 October 29 B NGC 602: Stars Versus Pillars from Webb
- NGC 7789: Caroline s Rose
- APOD: 2024 July 2 B NGC 602: Oyster Star Cluster