Make the text more logical: Using the Hubble Space Telescope, a double ring has been found by Raphael Gavazzi of the STScI and Tommaso Treu of the University of California, Santa Barbara.
Using the Hubble Space Telescope Santa Barbara. The Hubble Space Telescope is a double ring has been found by Raphael Gavazzi of the STScI and Tommaso Treu of the University of California.