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Sonnähnliche Sterne
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Sonnähnliche Sterne

Sonnähnliche Sterne sind Gelbe Zwerge der Hauptreihe. Stellen Sie sich unser Sonnensystem als Standardmodell vor: Diese Sterne haben eine ähnliche Masse, Temperatur und Leuchtkraft wie unsere Sonne. In ihrem Inneren findet die Kernfusion von Wasserstoff zu Helium statt, was ihnen über Milliarden von Jahren Stabilität verleiht. Sie sind ideale Kandidaten für die Suche nach bewohnbaren Planeten, da sie eine stetige Energie- und Wärmequelle bieten, genau wie der Motor im Zentrum unseres Zuhauses. Ihre Oberflächentemperatur liegt zwischen 5.000 und 6.000 Grad Celsius, was ihnen ihr charakteristisches gelbliches Leuchten verleiht.
  • Percentage of Sonnähnliche Sterne within 98.5 lichtjahre: 4.11 % (391 from 9520 stars)
  • Average masse of Sonnähnliche Sterne: 80-120% solar mass
  • Average radius of Sonnähnliche Sterne: 80-120% solar radius
  • Average temperatur of Sonnähnliche Sterne: 5200-6000 K

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Latest news from Sonnähnliche Sterne

Thick-disk stars identified as hosts to ancient hot jupiter planets
icon16. 10. 2026
iconSterne | Exoplaneten | Sonnähnliche Sterne | Heißer Jupiter | Planetenentstehu
Image: Thick-disk stars identified as hosts to ancient hot jupiter planets
Large gas giant planets that orbit very close to their parent stars are known as hot Jupiters. By analyzing a sample of 268 stars, researchers have identified several hot Jupiters orbiting stars belonging to the high-alpha thick disk of our galaxy. The thick disk represents a component of the Milky Way containing older stars with specific chemical signatures, particularly higher amounts of alpha elements like magnesium, silicon, and calcium relative to iron. These systems are significantly older...
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Atmospheric differences between morning and evening sides of planet WASP-39 b revealed
icon12. 10. 2026
iconSterne | Exoplaneten | Sonnähnliche Sterne | Heißer Jupiter | Planetenatmosphäre
Image: Atmospheric differences between morning and evening sides of planet WASP-39 b revealed
Observations of the hot Jupiter WASP-39 b reveal significant differences between its morning and evening atmospheres. Climate models successfully match temperature patterns but still struggle to explain the observed asymmetry in carbon dioxide levels....
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Water vapor detected in the atmosphere of ultrahot Neptune LTT 9779 b
icon9. 10. 2026
iconSterne | Exoplaneten | Sonnähnliche Sterne | Planetenatmosphäre
Image: Water vapor detected in the atmosphere of ultrahot Neptune LTT 9779 b
New observations of the ultrahot Neptune LTT 9779 b reveal the presence of water vapor on its dayside. The planet shows no signs of thermal inversion or significant atmospheric escape, supporting the theory that it is a tidally locked world....
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Leave-one-out cross-validation provides clarity in radial velocity measurements of exoplanetary systems
icon7. 10. 2026
iconSterne | Exoplaneten | Sonnähnliche Sterne
Image: Leave-one-out cross-validation provides clarity in radial velocity measurements of exoplanetary systems
New statistical analysis refines planetary data. By checking the influence of individual measurements, researchers revised the mass of HD 119130 b, clarified the orbit of Gliese 4276, and confirmed the three-planet system orbiting Gliese 357....
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Improved atmospheric analysis of WASP-39 b using radius-augmented data processing
icon5. 10. 2026
iconSterne | Exoplaneten | Sonnähnliche Sterne
Image: Improved atmospheric analysis of WASP-39 b using radius-augmented data processing
New research shows that the atmospheric analysis of WASP-39 b was limited by missing radius data. By incorporating the planet's radius into models, researchers have achieved a highly accurate fit for James Webb Space Telescope data. #Exoplanets #WASP39b #JWST...
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