The Euclid team has released a beautiful new image of NGC 6397, one of the closest globular clusters to Earth. NGC 6397, or GCl 74, is located 7,800 light-years away in the southern constellation of Ara. Because of its very dense nucleus, it is known as a core-collapsed cluster. NGC 6397 is 13.4 billion years old and so formed not long after the Big Bang. This Euclid image shows NGC 6397, a globular cluster some 7,800 light-years away in the constellation...
