GoKawiilNASA's Roman Telescope Carries Experimental Coronagraph to Image Planets Directly
NASA's Nancy Grace Roman Space Telescope, ahead of its upcoming launch, carries a hand-sized experimental coronagraph designed to directly capture starlight reflected off a planet's surface for the first time from space. The instrument uses deformable mirrors and adaptive optics to block a star's glare while revealing much fainter orbiting planets, a technique already used on ground telescopes but never before flown at this level of sophistication in orbit.
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Directly imaging planets rather than inferring them from indirect signals is considered essential for eventually finding and characterizing Earthlike worlds around sunlike stars, a long-standing goal of astrophysics. Testing this coronagraph technology in space will reveal how much further engineering must advance before a dedicated Earth-imaging telescope becomes feasible, shaping the roadmap for future exoplanet missions.
- Roman's coronagraph will attempt the first direct capture of planetary reflected light from space.
- The device uses adaptive optics and deformable mirrors to suppress starlight glare akin to spotting a firefly beside a floodlight.
- Results will help NASA gauge remaining technological gaps before pursuing a telescope capable of imaging Earthlike exoplanets.
Celestron NexStar 130SLT Telescope — Reading about Roman's mirrors and coronagraph is a great nudge to look up yourself. The Celestron NexStar 130SLT pairs a reflector optical tube with a computerized GoTo mount, so you can find planets, star clusters and nebulae without hunting manually.
See Celestron NexStar 130SLT Telescope on Amazon → Affiliate link — we may earn a commission on purchases, at no extra cost to you. Product picked by AI based on this article; it is not a tested recommendation.Source: wired.com — Meghan Bartels, 2026-08-29
Published there as: “NASA’s Nancy Grace Roman Space Telescope Has a Hidden Technological Leap”
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