Everything about the telescope
Chapter 1
The birth of looking closer
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Chapter 2
Bending and bouncing light
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Chapter 3
Beyond the visible rainbow
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Chapter 4
Leaving Earth behind
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Chapter 5
The global eyes of tomorrow
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YOUR GOAL
Master of Everything about the telescope
Ch 4 · Leaving Earth behind
Fun Fact
Gold mirrors: The James Webb Space Telescope's giant gold mirrors use only a golf-ball-sized amount of gold, vaporized into an incredibly thin layer.
Glossary
space telescope (noun)
An astronomical observatory located in outer space. In 1990, the Hubble Space Telescope was launched into orbit to bypass Earth's atmospheric distortion.
An astronomical observatory located in outer space. In 1990, the Hubble Space Telescope was launched into orbit to bypass Earth's atmospheric distortion.
Quiz
What shape are the 18 segments that make up the James Webb Space Telescope's primary mirror?
Quiz
What material is coated onto the James Webb Space Telescope's mirrors to reflect infrared light?