Keck Observatory

Keck Telescope at Twilight

View from inside the thermally insulated dome of the Keck II Telescope at the W.M. Keck Observatory, on the Mauna Kea volcano in Hawaii. Astronomers at the turn of the 21st Century use these giant telescopes to "probe the deepest regions of the Universe."

Source images originally published on the the W. M. Keck Observatory Website.