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The arena’s supreme telescope is edging closer to completion

The arena’s supreme telescope is edging closer to completion

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This week, the College of Arizona's Steward Observatory Mirror Lab began work on the sixth of seven famous contemplate segments for the Huge Magellan Telescope (GMT). On March 1st, the lab began heating its one-of-a-model glass furnace to a temperature of 1,165 levels Celsius. That in itself used to be a predominant milestone in a producing job is named budge-casting. It took about four months to ranking the mildew and one other nine hours to quilt it in nearly 90 so much of uncommon borosilicate glass. On Friday, the furnace began to budge at about five revolutions per minute. The combo of warmth and motion will power the glass up the mildew's sides as it melts, causing it to present a curved surface. Once the 8.4-meter contemplate is solid over the weekend, this will enter a month-long ...