Explanation: After the Crab Nebula, M1, this giant star cluster is the second entry in 18th century astronomer Charles Messier's famous list of things with are not comets. M2 is one of the largest globular star clusters now known to roam the halo of our Milky Way galaxy. Though Messier originally described it a nebula without stars, this stunning Hubble image resolves stars across the central 40 light-years of M2. Its population of stars numbers close to 150,000, concentrated within a total diameter of around 175 light-years. About 55,000 light-years distant toward the constellation Aquarius, this ancient denizen of the Milky Way, also known as NGC 7089, is 13 billion years old.
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Affichage des articles dont le libellé est Science & Technology - Astronomy picture of the day : Messier 2. Afficher tous les articles
Affichage des articles dont le libellé est Science & Technology - Astronomy picture of the day : Messier 2. Afficher tous les articles
04/04/2019
Science & Technology - Astronomy picture of the day : Messier 2
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