Pan over Star Cluster NGC 6440 | James Webb Space Telescope FriendsofNASA.org: This image from the NASA/European Space Agency/Canadian Space Agency James Webb Space Telescope features NGC 6440, a globular cluster that resides roughly 28,000 light-years from Earth in the constellation Sagittarius. The object was first discovered by William Herschel in May 1786. Globular clusters like NGC 6440 are roughly spherical, tightly packed, collections of old stars bound together by gravity. They can be fo