James Webb Telescope Records City Lights on Exoplanet!

JWST stands for the James Webb Space Telescope. It is a large, infrared-optimized space telescope that is set to be launched in 2021 (as of my knowledge cutoff). It is a collaboration between NASA, the European Space Agency (ESA), and the Canadian Space Agency (CSA), and is considered the successor to the Hubble Space Telescope. JWST is designed to study the universe in the infrared wavelength range and will be able to observe some of the earliest galaxies that formed in the universe, as well as the formation of stars and planetary systems. It will be positioned at the second Lagrange point (L2), which is about 1.5 million km from Earth, and will be the largest, most powerful, and most technologically advanced space telescope ever built.

Seeing into the far reaches of the Universe to learn how the first galaxies formed is one of the JWST’s scientific goals. This is possible because it takes light billions of years to travel across our universe.

The JWST observes these things as they appeared billions of years ago when it gathers this light.

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