The James Webb Telescope's PERFECT Gold Mirrors | In Orbit | BBC Earth

Описание к видео The James Webb Telescope's PERFECT Gold Mirrors | In Orbit | BBC Earth

The James Webb Telescope is covered in mirrors and must be perfect. Even the littlest spec of dust on them could be catastrophic. Dr Maggie Aderin-Pocock heads to the lab coating these essential mirrors... with vapourised gold.

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In Orbit: How Satellites Rule Our World (2012)
How the thousands of satellites orbiting the Earth have transformed the modern world.

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