![]() Some of Hubble's most stunning images have been shots of the Carina nebula, one of the bright stellar nurseries in the sky, about 7,600 light-years away. Webb is considered the successor to the highly successful, but aging Hubble Space Telescope. The European and Canadian space agencies joined NASA in building the telescope, which was launched in December after years of delays and cost overruns. "We've really changed the understanding of our universe," said European Space Agency director general Josef Aschbacher. Webb's use of the infrared light spectrum allows the telescope to see through the cosmic dust and see faraway light from the corners of the universe, scientists said. ![]() "Every image is a new discovery and each will give humanity a view of the humanity that we've never seen before," NASA Administrator Bill Nelson said Tuesday, rhapsodizing over images showing "the formation of stars, devouring black holes." The telescope also will scan the atmospheres of alien worlds for possible signs of life. ![]() With Webb, scientist hope to glimpse light from the first stars and galaxies that formed 13.7 billion years ago, just 100 million years from the universe-creating Big Bang. "It's the story of where did we come from."Īnd, he said, the more he looked at the images, the more he became convinced that life exists elsewhere in those thousands of stars and hundreds of galaxies. "It's the beauty but also the story," NASA senior Webb scientist John Mather, a Nobel laureate, said after the reveal.
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