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Grand Prismatice Spring in Yellowstone National Park with tourists viewing the spectacular natural scene
Yellowstone National Park
Assergi, AQ, Italy - August 20, 2020: large steel dome with the telescope of the astronomical observatory in the mountains for the observation of galaxies and stars
Industrial Telescope on the top of a mountain in California.
The observatory dome atop Palomar Mountain, California, USA.
D6-42-24-773 Gemini & Canada & France Telescope
Mount Evans, Clear Creek County, Colorado, USA: Meyer–Womble Observatory (MWO) astronomical observatory -  property of the University of Denver. Located near the summit of Mount Evans in the Arapaho National Forest, at an elevation of 4,326 meters (14,193 ft), it is the third-highest optical/infrared observatory in the world.
Geysers steam snow waterfall mountains Teton
Castle Geyser was named in 1870 by the Washburn-Langford-Doane Expedition due to its striking resemblance to the ruins of a castle. It has one of the oldest and largest sinter cones in Yellowstone, indicating that it has been active for thousands of years.
Fort Davis Texas, USA August 3, 2010
Old Faithful Geyser Eruption at Dawn \nYellowstone National Park
astrological observatory, calar alto, almeria, andalusia, spain
Observatory  of the Pico dos Dias MG Brasil
Lion Geyser Group hot springs in Yellowstone National Park
Winter highway and Steam rising from geysers in the Yellowstone Ecosystem in western USA of North America. Nearest cities are Gardiner, West Yellowstone, Livingston, Bozeman and Billings, Montana, Jackson and Cody, Wyoming, Salt Lake City, Utah, and Denver, Colorado.
Grand prismatic spring at sunny blue sky, , Yellowstone National Park, USA.
Majestic grand prismatic pool steam basis guyser yellowstone tourist sight seeing tour
in Quebec, Canada
Old Faithful, Upper Geyser Basin, Yellowstone National Park, USA
astronomical observatory in high mountainous terrain
Mauna Kea Observatories from Big Island, HI
hot spring, Chromatic Spring, in the Upper Geyser Basin of Yellowstone National Park in the United States
This October 24, 2019 photo shows a brief moment of sunlight shining on a dome at the Mt John Observatory in Tekapo, Aotearoa New Zealand. Snow is seen falling on the mountains in the distance. The research observatory is operated by the University of Canterbury.
SAN JOSE, CALIFORNIA - CIRCA OCTOBER, 2021: The Lick Obsevatory dome with a reflector telescope against blue sky. Tauchmann telescope building on a mountain top research facility.
Castle Geyser was named in 1870 by the Washburn-Langford-Doane Expedition due to its striking resemblance to the ruins of a castle. It has one of the oldest and largest sinter cones in Yellowstone, indicating that it has been active for thousands of years.
Space Observatory on the top of the Mount Haleakala Volcano. At 10,000 feet elevation above sea level, Haleakala Observatory is above one third of the earth's atmosphere. Maui, Hawaii, USA. Edited desaturated colors.
University of Canterbury Mt John Observatory - New Zealand
The World Famous Grand Prismatic Spring in Yellowstone National Park,USA
Castle Geyser Eruption in Winter \nYellowstone National Park
Free Images: "bestof:Yvo logo.png en Logo of the Yellowstone Volcano Observatory http //volcanoes usgs gov/observatories/yvo/yvo_about html USGS 2003-12-31 PD-USGov Uncategorized"
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