James Webb Space Telescope (JWST), artwork. This is an infrared telescope that is scheduled to be launched in 2018. It will have a 6.5-metre-diameter mirror (yellow and black), with which it will study the formation of stars and planetary systems, and the history of the universe. By using infrared wavelengths, the JWST will be able to see through much of the dust that obscures visible light. It will also study dark matter, which is thought to form the majority of the matter in the universe. The JWST will orbit on the far side of Earth from the Sun (upper left), at the L2 Lagrange point. The radiation shield (blue) protects it from the Sun.
October 3rd, 2018
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