NASA’s Nancy Grace Roman Space Telescope Has a Hidden Technological Leap
NASA is preparing to launch the Nancy Grace Roman Space Telescope, which features a sophisticated coronagraph designed to block starlight and image exoplanets. This experimental technology uses adaptive optics to potentially capture light reflected from Earth-like planets orbiting distant stars.
Why it matters
This mission represents a significant technological leap in our ability to detect habitable worlds and search for signs of life beyond our solar system.
The launch window for NASA’s Nancy Grace Roman Space Telescope is about to open. The telescope’s primary instrument is due to inform practically every area of astrophysics, but also tucked inside the telescope is a specialized coronagraph, an experimental apparatus that will attempt to directly capture starlight reflected off a planet’s surface for the first time. It’s an ambitious project that NASA hopes will pave the way for a space telescope that can one day provide a glimpse of an Earthlike planet orbiting a sunlike star.
That’s a feat far beyond the power of current engineering—hence taking the basic technique for a spin on Roman. “We’ll test them in space for the first time, and we’ll understand what work still is left to go,” says Vanessa Bailey, an astrophysicist at NASA’s Jet Propulsion Laboratory and instrument scientist for the coronagraph.
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