The Ultimate Guide to NASA’s James Webb Space Telescope

The $10 billion James Webb Space Telescope will probe the cosmos to uncover the history of the universe from the Big Bang to alien planet formation and beyond.

It is one of NASA’s Great Observatories, huge space instruments that include the likes of the Hubble Space Telescope to peer deep into the cosmos.

It will take about 30 days for the James Webb Space Telescope to travel nearly a million miles (1.5 million kilometers) to its permanent home: a Lagrange point — a gravitationally stable location in space. The James Webb Space Telescope will orbit the sun at the second Lagrange point (L2). L2 is a spot in space near Earth that lies opposite from the sun; this orbit will allow the telescope to stay in line with Earth as it orbits the sun. It has been a popular spot for several other space telescopes, including the Herschel Space Telescope and the Planck Space Observatory.

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