5 Reasons Why the James Webb Space Telescope Is Such a Big Deal Many scientists believe there's another planet like Earth somewhere in the universe, and the search to find it is underway. The James Webb Space Telescope (JWST) is be more powerful than its predecessors and will be able to see further into space to discover distant planets in far-off galaxies. It will even give us the tools to search for indications of an atmosphere that could sustain life. Its current mission launched into space on December 25, 2021. There are certainly larger Earth-bound telescopes, but as its name implies, the JWST will roam above the atmosphere, providing more powerful unobstructed views of the heavens than even the historic Hubble Space Telescope could offer. Funded by NASA in conjunction with the European Space Agency (ESA) and the Canadian Space Agency (CSA), the infrared Webb telescope weighs 6 metric tons and will orbit 1.5 million kilometers from Earth. It boasts many new technological advan