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What is Messier 69?

Messier 69 is one of the most metal-rich globular clusters known, which means that its stars have a comparatively high abundance of elements heavier than helium and hydrogen. The cluster has about 22 percent of the amount of iron that the Sun has, which is over ten times more than other globular clusters of a similar age.

What does M69 stand for?

Messier 69 (also known as M69 or NGC 6637) is a globular cluster in the constellation Sagittarius. It was discovered by Charles Messier on August 31, 1780, the same night he discovered M70.

When was M69 discovered?

M69 was discovered by Charles Messier and added to his catalog on August 31, 1780, the same night he found M70.

How far away is M69 from Earth?

Located about about 29,700 light-years away from Earth, this cluster lies close to Messier 70 (both of which were discovered Charles Messier on August 31st, 1780). Both objects lie close to the galactic center, and M69 is one of the most metal-rich globular clusters known.


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