James Webb Space Telescope faces crucial test of thermal stability

NASA’s new deep space observatory will soon move between hot and cold in a major test of its infrared viewing capabilities.

The James Webb Space Telescope, which finished its alignment phase last week with sharp images of distant stars, is preparing to test thermal stability. This daring glove will intentionally rotate the observatory between positions where it receives more or less sunlight. The goal is to ensure the $10 billion observatory can pass through its science despite the rigors of space and without sacrificing its image quality, pointing or other capabilities. Another key feature helps it focus on the early universe.

https://www.space.com/james-webb-space-telescope-thermal-stability-test James Webb Space Telescope faces crucial test of thermal stability

Russell Falcon

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