 Here we are zooming into the immense coma cluster of over 1,000 galaxies, located 300 million light years from Earth. The coma cluster has received a huge amount of scientific research. This is partly because it lays a long way from the plane of our galaxy, and it is largely unobstructed by any gas, dust, or foreground stars. Hubble was used to do a comprehensive study of the coma's globular star clusters. They found over 22,000 of them, circled in green. They found globular clusters scattered in space between the galaxies, ripped from their home galaxies by near collisions with other galaxies. Astronomers will use the globular cluster field for mapping the distribution of matter and dark matter in the coma galaxy cluster.