The telescope's chief scientist discussed its nearly 40 days in space so far
It's been a whirlwind 38 days in space for the James Webb Space Telescope, but its chief scientist says the mission is well on track to uncover the universe soon.
"The telescope is cold ... the instruments are cooling," John Mather, a Nobel laureate and astrophysicist who also works at NASA's Goddard Space Flight Center in Greenbelt, Maryland, said during a livestreamed Explore Mars event Thursday (Feb. 3).
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