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'Super-Earth' found orbiting one of the oldest stars in the Milky Way

January 12, 2021. Summarized by summa-bot.

Compression ratio: 19%. 1 min read.

A hot and rocky exoplanet known as a super-Earth has been discovered orbiting one of the oldest stars in our Milky Way galaxy, according to a new study.

(CNN)A hot and rocky exoplanet known as a super-Earth has been discovered orbiting one of the oldest stars in our Milky Way galaxy, according to a new study.

Even so, the planet, known as TOI-561b, only takes less than half an Earth day to complete one orbit around its host star.

"For every day you're on Earth, this planet orbits its star twice," said Stephen Kane, study coauthor and astrophysicist at the University of California, Riverside, in a statement.

The astronomers found TOI-561b -- "TOI" is short for TESS Object of Interest -- in the thick galactic disk of the Milky Way. This rare population of stars is known for having less heavy elements, like iron or magnesium, than are often associated with planet creation.

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