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Shiniest exoplanet ever discovered acts like a mirror(1/1)

2023-07-12 16:58:55 Ecns.cn Editor :Li Yan
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Photo released on July 10, 2023 shows an artist impression of exoplanet LTT9779b orbiting its host star. (Photo/VCG)

The planet is around the size of Neptune and reflects 80% of the light shone on it, making it the largest known “mirror” in the Universe. This shininess was discovered by detailed measurements made by ESA’s Cheops of the amount of light coming from the planet-star system.

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