NASA’s new space telescope is showing perfect vision, with a spiky image of a faraway star that was photobombed by thousands of ancient galaxies.
18 separate images from its mirror segmentsScientists said they were giddy as they watched the latest test photos arrive. NASA’s test image was aimed at a star 100 times fainter than the human eye can see — 2,000 light-years away. A light-year is nearly 6 trillion miles.The telescope will be able to peer into the farthest reaches of space. The data it collects will allow scientists to better understand the formation of stars and galaxies.
The shape of Webb’s mirrors and its filters made the shimmering star look more red and spiky, but the background really stole the show. Technicians use a crane to lift the mirror of the James Webb Space Telescope under construction at the Goddard Space Flight Center in Greenbelt, Md., in 2017.Those galaxies are several billion years old. Eventually, scientists hope Webb will see so faraway and back in time that it will only be “a couple hundred million years after the Big Bang,” she said.
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