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Is Kepler 438b a second Earth?

Is Kepler 438b a second Earth?

by Tanja Schumann (TU Berlin), March 2025 With an Earth Similarity Index (ESI) of 0.88, Kepler 438b is the exoplanet most similar to Earth. The formula behind the ESI provides a number between zero and one – the higher the value, the more a celestial body resembles...
Is K2-18b a Hycean exoplanet?

Is K2-18b a Hycean exoplanet?

by Tanja Schumann (TU Berlin), March 2025    The James Webb Space Telescope made an exciting discovery on the exoplanet K2-18b.    Further evidence of a vast ocean and even the possible trace of a substance produced only by organisms on Earth was found. K2-18 b is an...
GJ 367b – One year lasts only 8 hours

GJ 367b – One year lasts only 8 hours

by Ruth Titz-Weider (DLR) & Tanja Schumann (TU Berlin), October 2024 With half the mass of the Earth, the newly discovered planet is one of the lightest of the over 5,000 exoplanets known today. With an impressive orbital speed of less than 8 hours, GJ 367 b...