What elevation advantage do telescopes on Mauna Kea, such as the Keck system, possess compared to the LBT on Mount Graham?
Answer
Mauna Kea reaches over 4,200 meters, putting it above 40% of Earth's atmosphere.
Mauna Kea's peak elevation of over 4,200 meters places it frequently above 40% of the Earth's atmosphere, providing exceptionally clear, dry, and calm conditions favorable for observations.
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