The most powerful telescope ever built is ready to launch
CNN
The James Webb Space Telescope, NASA's premier observatory of the next decade, is ready to launch to space. The telescope, scheduled for liftoff Saturday, will study exoplanets in new ways and look deeper into the universe than we've ever been able to before.
Live coverage of the launch is available on NASA's TV channel and website starting at 6 a.m. ET. Launch is expected at 7:20 a.m. ET.
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