Researchers have developed a new way to produce and shape large, high-quality mirrors that are much thinner than the primary mirrors previously used for telescopes deployed in space. The resulting ...

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The upcoming Extremely Large Telescope (ELT) is very aptly named. When it’s completed in 2024, it will be the largest optical telescope in the world, with a mirror more than 120 feet across. That ...

Lightweight and low cost: researchers have developed a new way to make telescope mirrors that could enable much larger, and thus more sensitive, telescopes to be placed in orbit. (Courtesy: Sebastian ...

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