Space & Astronomy

The Webb Telescope's Deep Fields

An introduction to the James Webb Space Telescope, how it works, and what it has discovered.

B29 min

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1The James Webb Space Telescope is the most powerful eye that humans have ever sent into space.

2It flew about one and a half million kilometres away from Earth before it started its work.

3Its golden mirror is made of eighteen parts that had to open perfectly after launch.

4A huge silver shield protects the telescope from the heat and light of the Sun.

5Because it sees heat rather than normal light, it can look through clouds of cosmic dust.

6This allows it to watch the birth of stars that were hidden from earlier telescopes.

7It has already taken pictures of galaxies that formed soon after the beginning of the universe.

8Astronomers use its data to study the air around planets circling other suns.

9One day, those measurements may help us find a world with signs of life.

10The telescope should keep working for many years, and its best discoveries may still lie ahead.

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