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Astronomy

The Implementation of Adaptive Optics in the Keck Telescopes

Quick fact

Keck's adaptive optics system can correct atmospheric blur up to 1,000 times per second, allowing its 10-meter mirror to achieve resolutions comparable to the Hubble Space Telescope in certain wavelengths.

Why this is interesting

When you look up at the stars, they seem to twinkle—but that sparkle is actually the atmosphere distorting their light. So how can astronomers get crystal-clear images from the ground?