Artist's impression released of planet dubbed the largest known “mirror” in the universe

The shininess of exoplanet LTT9779b was discovered by detailed measurements made by the European Space Agency's Cheops satellite. It examined the amount of light coming from the planet and the star it orbits.

Monday 10 July 2023 15:12, UK

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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.
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