Even Without A Telescope, it's possible to look off the summit of Mauna Kea and see, 14,000 feet below and dozens of miles in the distance, wide swaths of rain forest touching the whitecapped Pacific. Down there, people are doing what people come to Hawaii to do: hiking to waterfalls, lying in the sand, exposing their skin to tropical solar radiation. Up here, there is no vegetation, no warmth and very little atmosphere. And as the sun sets over the parabolic aluminum dishes of the Submillimeter Array observatory, it's time to work.
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