Llano de Chajnantor...
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ASTRONOMY
Astronomical Observatories
Llano de Chajnantor Observatory
Chajnantor Plateau's extreme altitude and dryness create ideal conditions for cutting-edge astronomical research
30 Jan 2026
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Why is the Chajnantor Plateau particularly suitable for millimeter and submillimeter astronomy?
Because it is located near the equator, providing a stable climate year-round.
Because its high altitude and extremely dry climate minimize atmospheric water vapor that absorbs submillimeter radiation.
Because it has a high level of light pollution that enhances telescope sensitivity.
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