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Planet LTT9779 b
July 22 , 2023
494 days
454
0
- Astronomers have found the most reflective planet ever discovered using data from the European Space Agency’s (ESA) Cheops satellite.
- The planet has a thick layer of reflective metal clouds, essentially turning it into a gigantic mirror when viewed by observatories.
- The newly-discovered LTT9779 b, planet reflects a massive 80 per cent of the light it receives from its host star.
- Venus has a thick cloud layer that reflects about 75 per cent of the Sun’s light.
- The Earth only reflects around 30 per cent of the incoming sunlight.
- This exoplanet is about the size of Neptune.
- The metallic clouds are mostly made of silicate.
- There are also other metals like titanium mixed into the clouds.
- The blazing-hot exoplanet is so close to its host star that it completes an orbit in less than a day.
- LTT9779 b can form metallic clouds despite being so hot because the atmosphere is oversaturated with silicate and metal vapours.
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