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The James Webb Space Telescope (JWST) is a large, infrared telescope launched on December 25, 2021. It is intended to succeed the Hubble Space Telescope as NASA's flagship astrophysics mission. JWST is located at the Sun-Earth L2 Lagrange point, approximately 1.5 million kilometers (930,000 miles) from Earth. This location provides a thermally stable environment for the telescope's sensitive instruments. The telescope's primary mirror is 6.5 meters (21 feet) in diameter and is composed of 18 hexagonal segments made of gold-plated beryllium. These segments work together to collect light from incredibly distant and faint objects. JWST's instruments are designed to observe the universe in infrared light, which allows it to see through dust clouds and observe events that occurred very early in the universe's history. The telescope’s observations are helping astronomers study the formation of the first galaxies, the birth of stars and planets, and the potential for life beyond Earth. JWST is a collaborative project involving NASA, the European Space Agency (ESA), and the Canadian Space Agency (CSA).

James Webb Space Telescope Overview

The James Webb Space Telescope (JWST) is an infrared telescope launched on December 25, 2021. It is designed to be the successor to the Hubble Space Telescope. JWST serves as NASA’s primary astrophysics mission.

Orbital Location

The telescope is situated at the Sun-Earth L2 Lagrange point, approximately 1.5 million kilometers (930,000 miles) from Earth. This location offers a thermally stable environment crucial for its instruments.

Mirror Design

JWST's primary mirror spans 6.5 meters (21 feet) in diameter. It is constructed from 18 hexagonal segments of gold-plated beryllium. These segments function together to gather light from distant and faint objects.

Instrument Capabilities

The telescope’s instruments are built for observing the universe in infrared light. This capability allows observation through dust clouds and study of events from the universe’s early history.

Scientific Objectives

JWST’s observations are assisting astronomers in understanding the formation of the first galaxies, the birth of stars and planets, and the possibility of life beyond Earth.

Collaborative Effort

The project is a collaborative undertaking involving NASA, the European Space Agency (ESA), and the Canadian Space Agency (CSA).