Cheomseongdae Astronomical Observation Tower, Royal Tombs burial mounds, UNESCO World Heritage Site, Gyeongju, Gyeongsangbuk-do, South Korea, Asia

Concordia base, Antarctica

Aurora Australis over Concordia base, Antarctica

Concordia base, Antarctica

The Very Large Array radio telescope consists of 27 large dish antennas, the facility is part of the National Radio Astronomy Observatory, on the Plains of San Agustin in Datil, western New Mexico, USA

The Very Large Array radio telescope consists of 27 large dish antennas, the facility is part of the National Radio Astronomy Observatory, on the Plains of San Agustin in Datil, western New Mexico, USA

The Very Large Array radio telescope consists of 27 large dish antennas, the facility is part of the National Radio Astronomy Observatory, on the Plains of San Agustin in Datil, western New Mexico, USA

Satellite in front of the globe with Europe, symbolic image Galileo navigation system, overhead intelligence, data transmission

Sunset at the observatory in front of the summit of Mount Teide, Tenerife

Observatory in front of the summit of Mount Teide, Tenerife

Radio telescope, St. Croix island, U.S. Virgin Islands, United States

The Very Large Array radio telescope consists of 27 large dish antennas, the facility is part of the National Radio Astronomy Observatory, on the Plains of San Agustin in Datil, western New Mexico, USA

The Very Large Array radio telescope consists of 27 large dish antennas, the facility is part of the National Radio Astronomy Observatory, the tracks enable astronomers to move the antennas to different locations, on the Plains of San Agustin in Datil, we

The Very Large Array radio telescope consists of 27 large dish antennas, the facility is part of the National Radio Astronomy Observatory, on the Plains of San Agustin in Datil, western New Mexico, USA

The Very Large Array radio telescope consists of 27 large dish antennas, the facility is part of the National Radio Astronomy Observatory, on the Plains of San Agustin in Datil, western New Mexico, USA

The Very Large Array radio telescope consists of 27 large dish antennas, the facility is part of the National Radio Astronomy Observatory, on the Plains of San Agustin in Datil, western New Mexico, USA

The Very Large Array radio telescope consists of 27 large dish antennas, the facility is part of the National Radio Astronomy Observatory, on the Plains of San Agustin in Datil, western New Mexico, USA

Jahrtausendturm, Millennium Tower, Magdeburg, Saxony-Anhalt, Germany, Europe

The Very Large Array radio telescope consists of 27 large dish antennas, the facility is part of the National Radio Astronomy Observatory, on the Plains of San Agustin in Datil, western New Mexico, USA

Planet earth

Observatory Hornisgrindeturm, by night with Milky Way, Seebach, Baden-Württemberg, Germany, Europe

Infrared Telescope Facility, IRTF, telescope for infrared astronomy at the Mauna Kea Observatory on the summit of the Mauna Kea volcano, 4205m, with clouds below, summit of the Haleakala volcano on the Island of Maui at back, Mauna Kea, Hawaii, USA

Astronomical observatories near the summit of the extinct volcano Mauna Kea, Hawaii, USA

Mauna Kea Observatory on the summit of the Mauna Kea volcano, 4205m, Gemini Observatory, right, Canada France Hawaii Telescope, CFHT, at back, Mauna Kea, Hawaii, USA

Mauna Kea Observatory on the summit of the Mauna Kea Volcano, 4205m, right the Gemini Observatory, left the Canada-France-Hawaii Telescope, CFHT, Mauna Kea, Hawai'i, USA

Planetarium, Venet Star Park, Tyrol, Austria, Europe

Observatory and weather station, Mont Ventoux, Mt. Ventoux, Provence, Southern France, France, Europe

Hawaiian temple on the summit of the Mauna Kea Volcano, 4205m, part of the Mauna Kea Observatory on the horizon, Mauna Kea, Hawai'i, USA

Ernst Abbe Bronze Statue by Klaus-Dieter Locke, Jena Zeiss Planetarium, Jena, Thuringia, Germany, Europe

Mauna Kea Observatory on the summit of the Mauna Kea Volcano, 4205m, the United Kingdom Infrared Telescope, Mauna Kea, Hawai'i, USA

Observatories on Mauna Kea at sunset on the Island of Hawaii, Island of Hawaii, Hawaii, United States of America

Machu Picchu the Intihuatana, the site's most sacred shrine, likely served for making astronomical observations and calculations, Highlands, Peru