Space Observatories Archives

Dark Passage

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Dark Passage

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A big planet around a small star

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XRISM

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Looking into cosmic maelstroms

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Planning Ahead

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Planning decades ahead

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Viewing Spot

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A good spot for watching the universe

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Nightlights

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Looking for the glow of alien cities

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Astro-2

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A high, fast-moving observatory

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Solar Orbiter

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Flying into the solar wind

Almost all of the world’s finest ground-based observatories are located on mountains, for a variety of reasons. First and foremost,