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James-Webb-Weltraumteleskop
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James-Webb-Weltraumteleskop

Das James-Webb-Weltraumteleskop (JWST) ist das leistungsstärkste Observatorium der Menschheit und sieht das Universum im Infrarotlicht. Man kann es sich als „Super-Augen“ vorstellen, die viel weiter und klarer sehen als das Hubble-Teleskop. Sein 6,5 Meter breiter Spiegel aus 18 Sechsecken ähnelt einer Honigwabe. Um kühl zu bleiben, wird es durch einen Sonnenschutz von der Größe eines Tennisplatzes geschützt. Das JWST umkreist nicht die Erde wie der Mond, sondern befindet sich 1,5 Millionen Kilometer entfernt am Punkt L2, um die Entstehung der ersten Sterne und Galaxien zu beobachten.
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Latest news from James-Webb-Weltraumteleskop

Periodic transit timing variations measured for Neptune-like planet HAT-P-18 b
iconYesterday
iconSterne | Exoplaneten | Supererde | Heißer Jupiter | James-Webb-Weltraumtelesko
Image: Periodic transit timing variations measured for Neptune-like planet HAT-P-18 b
Transit timing variations occur when a planet crosses in front of its host star at slightly different times than expected. These small shifts provide information about the orbital path of a planet and the presence of other gravitational forces in the system. By measuring these variations, observers can understand the dynamics and evolution of distant planetary systems. The James Webb Space Telescope provides the high-precision data necessary to track these subtle events across a wide range of...
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HD 158485 revealed as a binary system containing two pulsating stars
icon14. 10. 2026
iconSterne | James-Webb-Weltraumteleskop | TESS
Image: HD 158485 revealed as a binary system containing two pulsating stars
HD 158485, a calibration star for the James Webb Space Telescope, is actually a binary system. Observations from TESS show two pulsating stars orbiting each other every 382.8 days, which helps refine absolute-flux measurements for astronomical data....
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Atmospheric composition of sub-Neptune planets around Red dwarf stars reveals new hybrid class
icon6. 10. 2026
iconSterne | Exoplaneten | Rote Zwerge | James-Webb-Weltraumteleskop | Planetenatmosphären | Ozeanplanete
Image: Atmospheric composition of sub-Neptune planets around Red dwarf stars reveals new hybrid class
Analysis of sub-Neptune planets around Red dwarf stars using JWST data reveals a new category of hybrid worlds. These planets have atmospheric compositions that do not align with traditional gas dwarf or water world definitions. Study highlights include TOI-776 c....
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Atmospheric composition of the temperate super-Jupiter Epsilon Indi Ab revealed
icon3. 10. 2026
iconSterne | Exoplaneten | Orangefarbener Zwerg | James-Webb-Weltraumteleskop | Planetenatmosphäre
Image: Atmospheric composition of the temperate super-Jupiter Epsilon Indi Ab revealed
The atmosphere of Epsilon Indi Ab, a temperate super-Jupiter, has been characterized using JWST. Observations confirm the presence of ammonia, water, and methane, demonstrating a successful method for isolating planetary signals from host star light....
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Atmospheric analysis of LTT 9779 b reveals muted spectral features and cloud presence
icon3. 10. 2026
iconSterne | Exoplaneten | Sonnähnliche Sterne | James-Webb-Weltraumteleskop | Planetenatmosphäre
Image: Atmospheric analysis of LTT 9779 b reveals muted spectral features and cloud presence
New JWST observations of the ultrahot Neptune LTT 9779 b reveal muted spectral features, indicating a cloudy atmosphere. The study measured temperatures at the planet's terminator and identified potential cloud properties for this rare world in the hot Neptune desert....
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