Hawaii, USA, Mauna Kea observatories—(left to right) <a href="https://en.wikipedia.org/wiki/United_Kingdom_Infrared_Telescope" class="extiw" title="w:United Kingdom Infrared Telescope">United Kingdom Infrared Telescope</a>, <a href="https://en.wikipedia.org/wiki/UH88" class="extiw" title="w:UH88">University of Hawai'i 88-inch telescope</a>, <a href="https://en.wikipedia.org/wiki/Gemini_Observatory" class="extiw" title="w:Gemini Observatory">Gemini North Observatory</a>, and <a href="https://en.wikipedia.org/wiki/Canada%E2%80%93France%E2%80%93Hawaii_Telescope" class="extiw" title="w:Canada–France–Hawaii Telescope">Canada–France–Hawaii Telescope</a>—from summit
<a href="//commons.wikimedia.org/wiki/User:Brian_W._Schaller" title="User:Brian W. Schaller">Brian W. Schaller</a>
FAL
<span class="int-own-work" lang="en">Own work</span>