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Lava-Planeten
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Lava-Planeten

Lava-Planeten sind felsige Welten, die ihren Stern extrem nah umkreisen – viel näher als Merkur die Sonne. Ihre Umlaufzeit dauert oft nur wenige Stunden oder Tage. Durch die enorme Strahlung erreichen die Temperaturen Tausende Grad Celsius und schmelzen Gestein zu Magmaozeanen. Meist herrscht eine gebundene Rotation: Eine Seite blickt dauerhaft in die Glut, während die Rückseite in dunkler Kälte liegt. Der extreme Temperaturunterschied und gewaltige Gezeitenkräfte durch die Anziehungskraft des Sterns lassen die Kruste aufplatzen, treiben Vulkanismus an und verdampfen Gestein auf der Tagseite.
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Latest news from Lava-Planeten

Thick carbon dioxide or sulfur dioxide atmospheres possible on lava planet TOI-561 b
icon5. 9. 2026
iconSterne | Exoplaneten | Planetenatmosphären | Lava-Planete
Image: Thick carbon dioxide or sulfur dioxide atmospheres possible on lava planet TOI-561 b
TOI-561 b is a rocky, ultrashort-period exoplanet that orbits its star extremely quickly, resulting in intense irradiation. Recent data suggests this world may possess a thick, secondary atmosphere hovering above a global, molten surface, or magma ocean. Unlike the primary atmospheres of giant planets, which are captured from gas clouds, a secondary atmosphere is generated by gases released from the planet's interior over time. Researchers used the PROTEUS framework, a computer model that lin...
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TOI-1752 hosts a lava world and a sub-Neptune in the habitable zone
icon21. 4. 2026
iconSterne | Exoplaneten | TESS | Bewohnbare Exoplaneten | Lava-Planete
Image: TOI-1752 hosts a lava world and a sub-Neptune in the habitable zone
TOI-1752 is confirmed to host a lava world and a sub-Neptune in the habitable zone. This system is a prime target for studying planetary diversity and potential habitability....
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Volcanic activity and mantle dynamics shape the lava world K2-141 b
icon4. 3. 2026
iconSterne | Exoplaneten | Lava-Planete
Image: Volcanic activity and mantle dynamics shape the lava world K2-141 b
K2-141 b, a lava world, shows mantle convection and nightside volcanism. Volcanic eruptions release gases, but their heat is too faint to detect. Future studies may spot atmospheric signals from outgassing....
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Simulations of TRAPPIST-1 e, f, and g reveal how CO2 and H2O shape atmospheres during magma ocean stages
icon16. 12. 2024
iconSterne | Exoplaneten | Planetenatmosphären | Rote Zwerge | Lava-Planete
Image: Simulations of TRAPPIST-1 e, f, and g reveal how CO2 and H2O shape atmospheres during magma ocean stages
...
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Computer simulation suggests that magma oceans on hot, tidally locked exoplanets might be only about 100 meters deep
icon22. 8. 2024
iconSterne | Exoplaneten | Lava-Planete
Image: Computer simulation suggests that magma oceans on hot, tidally locked exoplanets might be only about 100 meters deep
...
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