The gravitational lens B1938+666 as seen in the infrared when observed with the 10-meter Keck II telescope with Adaptive Optics on Mauna Kea, credit: D. Lagattuta / W. M. Keck Observatory
The gravitational lens B1938+666 as seen in the infrared when observed with the 10-meter Keck II telescope with Adaptive Optics on Mauna Kea, credit: D. Lagattuta / W. M. Keck Observatory