Watch live: NASA has launched the most powerful space telescope ever
The James Webb Space Telescope blasted off from French Guinea around 7:20 a.m. ET on Saturday. The NASA launch is decades in the making and should reveal the earliest galaxies in the universe.
by Nell Greenfieldboyce
Dec 25, 2021
3 minutes
Updated December 25, 2021 at 7:26 AM ET
The most powerful space telescope ever built has officially left Earth. NASA's James Webb Space Telescope blasted off on December 25 at 7:20 a.m. Eastern from a European spaceport in French Guiana.
The roughly $10 billion observatory, which is bigger and more sophisticated than the iconic Hubble Space Telescope, has been in the works since the late 1980s. What it finds could revolutionize our understanding of the universe and our place in it.
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