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at an altitude of 4053 m, and has an average winter temperature of -70 °C. It is possible that this site may have even lower temperatures than Dome A, with temperatures that might reach as low as or even colder than the legendary mark of -100°C (-148°F). Ridge A was identified by a team of Australian and American scientists searching for the best observatory spot in the world. The team leader described the site as "so calm there's almost no wind or weather there at all." Ridge A is a low ridge of ice and

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