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TRAPPIST-1 system
March 29 , 2022
846 days
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- TRAPPIST-1 is a red dwarf star in the Aquarius constellation.
- TRAPPIST-1 was earlier known as 2MASS J23062928–0502285 or K2-112, because it was spotted with the Two Micron All-Sky Survey (2MASS).
- It was discovered in 1999 by astronomer John Gizis.
- It is older than the solar system, as it is 7.6 billion years old.
- Its mass is about 9% of the Sun.
- Its radius is slightly larger than Jupiter.
- It has a surface temperature of about 2,290 °C.
- It is about 39 light-years from the Sun.
- James Webb Telescope will be directed towards the TRAPPIST-1 system.
- It will look for signs of atmosphere on the planets of TRAPPIST-1.
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