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James Webb Space Telescope

Blast off with the James Webb Space Telescope, our biggest eye in the sky, looking back to the very beginning of the universe!

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James Webb Space Telescope

James Webb Space Telescope

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James Webb Space Telescope Artist Conception
The James Webb Space Telescope Enters the Cleanroom Airlock
The James Webb Space Telescope En Route
The James Webb Space Telescope Fairing
The James Webb Space Telescope Revealed
Ariane 5 Rollout with James Webb Space Telescope
Ariane 5 Rollout with James Webb Space Telescope
The James Webb Space Telescope Stowed
James Webb Space Telescope Artist Conception
The James Webb Space Telescope En Route
The James Webb Space Telescope Revealed

Key Facts

Scientific Name
James Webb Space Telescope.
Location
Orbits the Sun at a special point called the second Sun-Earth Lagrange point (L2), about 1.5 million kilometers (nearly 1 million miles) from Earth.
Launch Date
December 25, 2021.
Mirror Size
The primary mirror is 6.5 meters (21.3 feet) in diameter, about the height of a two-story building.
Fun Fact
The telescope's sunshield is as big as a tennis court and is made of five thin layers to keep the instruments super cold.

Meet the Universe's Super-Spy!

Imagine a giant, super-powered eye floating in space, way bigger than a school bus! That's the James Webb Space Telescope, or JWST for short. It's like a cosmic detective, looking at faraway stars and galaxies that are billions of years old.

It has a giant, golden mirror, like a honeycomb, that collects light from these ancient places. This amazing telescope helps us see things we've never seen before, like the first stars and galaxies that ever existed!

How Webb Got Its Superpowers

Building the JWST was a super-long project, taking many years and lots of smart people from different countries working together. It's a collaboration between NASA (the space agency from the United States), the European Space Agency (ESA), and the Canadian Space Agency (CSA). They had to invent new technologies to make it work.

It was launched on a rocket on Christmas Day in 2021, and then it traveled for a whole month to get to its special spot far away from Earth.

Why Webb is So Important!

The JWST is like a time machine! It can see light from the very first stars and galaxies that formed after the Big Bang, which was the start of everything. By studying this ancient light, scientists can learn how the universe grew and changed over billions of years.

It also helps us look for planets around other stars that might be able to support life, like finding new homes for us to explore one day!

Webb's Amazing Tools

Webb's most amazing feature is its giant, gold-plated mirror. It's made of 18 smaller hexagonal mirrors that fit together perfectly, like a giant puzzle. This mirror is super sensitive and can capture faint light from distant objects.

It also has special cameras and instruments that can see in infrared light. This is important because light from very old things gets stretched out and turns into infrared light by the time it reaches us, so Webb can see what other telescopes miss!

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