This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Black hole RJN. en The two computer generated pictures highlighting how strange things would look On the left is normal star field containing the constellation Orion Notice the three stars of nearly equal brightness that make up Orion's Belt On the right is the same star field but this time with black hole superposed in the center