US EditionJames Webb Space Telescope Directly Images Its First Exoplanet
- In 2025, the James Webb Space Telescope achieved a milestone by capturing the first direct image of a newly discovered exoplanet, TWA 7 b, which orbits a young star approximately 111 light-years from Earth.
- Researchers focused on young stars like TWA 7, which has a debris disk with three rings, to find planets in gaps where they might hide.
- TWA 7 b has a mass similar to Saturn, about 30 percent that of Jupiter, and orbits its star at a distance approximately 50 times greater than the space between Earth and the Sun.
- Anne-Marie Lagrange explained that their certainty about the planet’s existence came from JWST’s coronagraph, which effectively blocks the star’s bright light, allowing faint nearby objects to be detected.
- This discovery marks the lowest-mass exoplanet directly imaged and suggests advancing telescopes could find even smaller, Earth-like worlds in the future.
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Webb Directly Images A Saturn-Sized Star In A Nearby System
One of Webb’s strong points is its ability to directly image planets around another solar system. The telescope has been in operation for long enough now that a flood of those images are starting, as more and more systems come under the telescope’s gaze. One of those is described in a recent paper and press release from NASA. According to the paper, the planet in a nearby system is about the size of Saturn, which would make it the smallest plane…
·United States
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A gap in a dust disk led to the discovery of the planet, which has approximately the size of Saturn. It is the lightest directly mapped planet to date.
·Vienna, Austria
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