13454602 - Uranus, optical image11677521 - Dark Sector Lab telescopes,South Pole11594892 - Large telescope size comparison11880135 - Observatories at Mauna Kea,Hawaii11880140 - Keck observatories on Mauna Kea,Hawaii11880121 - Keck I and II telescopes on Mauna Kea,Hawaii11880158 - Telescope domes on Mauna Kea with meteors11880150 - Primary mirror of the Keck II telescope,Hawaii11880142 - Keck I and II observatories on Mauna Kea,Hawaii11880149 - Primary mirror of the Keck II telescope,Hawaii11594845 - Telescope mirror comparison,artwork11880146 - Keck I and II observatories on Mauna Kea,Hawaii11880147 - Keck I and II observatories on Mauna Kea,Hawaii11880154 - Keck I and II telescopes on Mauna Kea,Hawaii11880170 - Mauna Kea Observatory,Hawaii11880137 - Observatories at Mauna Kea,with comet Hale-Bopp11880152 - Cleaning the primary mirror of Keck II telescope11880122 - Keck & IRTF telescopes11880139 - Keck I and II observatories on Mauna Kea,Hawaii11880138 - Keck I and II observatories on Mauna Kea,Hawaii11594884 - Large telescope size comparison11880148 - Keck I and II observatories on Mauna Kea,Hawaii11880143 - Keck I and II observatories on Mauna Kea,Hawaii11880120 - The dome of the Keck Telescope and star trails11880145 - Keck I and II observatories on Mauna Kea,Hawaii11880141 - Keck I and II observatories on Mauna Kea,Hawaii11880117 - View of the primary mirror of the Keck Telescope11880157 - Telescope domes on Mauna Kea with Hale-Bo11880144 - Keck I and II observatories on Mauna Kea,Hawaii11880134 - Observatories at Mauna Kea,Hawaii,with full moon11880129 - Keck I and II observatories on Mauna Kea,Hawaii11880125 - Aerial view of observatories at Mauna Kea,Hawaii11880136 - Mauna kea observatory & comet Hale-Bopp11880151 - Primary mirror of the Keck II telescope,Hawaii11880118 - The primary mirror of the Keck Telescope11880164 - Primary mirror Keck11880130 - Hale-Bopp comet and telescope domes11880128 - Keck I and II observatories on Mauna Kea,Hawaii12014277 - Keck Telescope,Mauna Kea Observatory
