The long-awaited James Webb Space Telescope is set to launch in early 2023, and it promises to revolutionize astronomy and space exploration. With its powerful spectrometer, the telescope will be able to analyze the spectrum of light from distant stars and galaxies, giving us an unprecedented glimpse into the universe. Astronomers will be able to measure temperatures, compositions, and velocities of stars and galaxies, as well as detect signatures of planets and even molecules in dust clouds. The Webb telescope will allow us to explore the distant reaches of the cosmos, uncovering mysteries that have long been hidden from us.

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source: Phys.org