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L 98-59 b - Exoplanet
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L 98-59 b

description L 98-59 b Overview

Discovered by NASA's TESS satellite in 2019, L 98-59 b is a rocky, Earth-sized exoplanet notable for being the innermost planet in a multi-planet system orbiting a cool M-dwarf star.

help L 98-59 b FAQ

How was L 98-59 b discovered?

NASA's TESS satellite discovered L 98-59 b through the dip in starlight caused when it crossed its host star. The discovery was reported in 2019.

Is L 98-59 b really Earth-sized?

L 98-59 b is described as a rocky, Earth-sized exoplanet. Earth-sized refers to its scale, not to having Earth's atmosphere, oceans, or climate.

Where is L 98-59 b in its planetary system?

L 98-59 b is the innermost planet in a multi-planet system. It orbits a cool M-dwarf star more closely than the other known planets in the system.

Is L 98-59 b in the habitable zone?

No. As the innermost planet around a cool M-dwarf, L 98-59 b is too close to its star for the usual habitable-zone comparison.

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