What's next after Hubble? Earth's eye gets an epic upgrade
As the Hubble Space Telescope marks its 25th year in orbit, its successor is literally taking shape in a large room at NASA's Goddard Space Flight Center in Greenbelt, Maryland. There, engineers clad in white anti-contamination suits, masks and gloves are carefully assembling and testing a telescope that will peer even deeper into space and see light from events that are even closer to the beginning of the universe.
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