Categories Astronomy M 2 Post author By Luca Zanini Post date August 13, 2021 No Comments on M 2 M2 or NGC 7089 is a globular cluster in the constellation of Aquarius, it is consists of 150,000 stars within a sphere of only 175 light years in diameter.It is 13 billion years old. Tags globular cluster, m2, ngc7089 ← The Cocoon nebula → M 33 Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.