Answer: The main purpose of the mirrors on the James Webb Space Telescope (JWST) is to collect and focus light from distant celestial objects, such as stars and galaxies, and direct it to the scientific instruments on board for analysis. JWST has a primary mirror that is 6.5 meters in diameter, which is significantly larger than the Hubble Space Telescope's primary mirror, and is composed of 18 hexagonal segments that can be individually adjusted. Additionally, JWST has a secondary mirror that is located near the top of the observatory and directs the light from the primary mirror to the scientific instruments. Overall, the mirrors on JWST are crucial for its ability to observe and study the universe in unprecedented detail.
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