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Future interferometers

Astronomy.com takes a look at what's on the horizon in the world of interferometry.
When it comes to telescopes, many would argue that bigger is better. During the 20th Century, astronomers and engineers built telescopes with larger and larger apertures, striving to gather more and more cosmic light from faint and faraway sources while trying to pick out more detail in those objects. But eventually, they hit a point where problems associated with large primary mirrors overwhelmed the benefits of using them (such as having a multi-ton mirror sag under its own weight). So astrono...

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