Ground-based observatories located on the Earth's surface are used for observations in the radio and visible parts of the electromagnetic spectrum. Most optical telescopes are housed inside a dome or similar structure to protect fragile instruments from the weather.
But in this video will be presented 5 best optical telescopes-abservatories of the world!
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Biggest Astronomical Observatories In The World
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astronomytelescopeobservatoryspacebiggest telescopenebulaenasanasa telescope hubblegalaxysolarsystemuniversegalaxyuniversegalaxysigarstarastroskyearthplanetmarsmercuryunivervevideophotocosmosvenussaturnjupitersunsunshinespacevideostarsproximacantauriprocyonsiriusalphacentauriclosetstarsnearstarsmilkywaysizestaruranuscomethubbleMessiercatalogrealitystarlifeastronomy conan grayancient greek astronomyconan gray astronomy
