NASA launched a space telescope on Sunday that will give astronomers a much wider view of the universe
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Why it matters: NASA launched the Nancy Grace Roman Space Telescope on Sunday, adding a wide-field infrared observatory to the growing fleet of space telescopes designed to tackle some of astronomy's biggest unanswered questions. Roman will map billions of stars and galaxies, search for an estimated 100,000 exoplanets, and collect data that could help researchers better understand the roles of dark matter and dark energy. Its key advantage is not simply its resolution, but the amount of sky it can cover in a single observation.
The telescopecarries a 2.4-meter primary mirror, the same size as Hubble's. But its Wide Field Instrument is designed for a different kind of work. The 300-megapixel camera uses 18 detectors to capture a much broader image, giving Roman a field of view at least 100 times larger...
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