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Telescopio espacial James Webb
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Telescopio espacial James Webb

El telescopio espacial James Webb (JWST) es el observatorio más potente de la humanidad y ve el universo en luz infrarroja. Imagínalo como unos "superojos" que ven mucho más lejos y con más claridad que el Hubble. Su espejo de 6,5 metros, formado por 18 hexágonos, parece un panal de miel. Para mantenerse frío, lo protege un escudo térmico del tamaño de una pista de tenis. El JWST no orbita la Tierra como la Luna, sino que está a 1,5 millones de kilómetros, en el punto L2, donde observa el nacimiento de las primeras estrellas y galaxias.
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Latest news from Telescopio espacial James Webb

WASP-33 b and other hot Jupiters identified as prime targets for structural studies
iconToday
iconEstrellas | Exoplanetas | Júpiter caliente | Telescopio espacial James Webb
Image: WASP-33 b and other hot Jupiters identified as prime targets for structural studies
The physical shape of a giant planet orbiting close to its star offers a unique window into its internal composition. Intense gravitational pull from the host star stretches these planets, causing measurable deformations. These distortions are calculated using a value called the fluid Love number, which describes how a planet responds to external gravitational stress. By measuring this number, researchers can better understand how matter is distributed deep within a planet and test different mod...
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Periodic transit timing variations measured for Neptune-like planet HAT-P-18 b
iconYesterday
iconEstrellas | Exoplanetas | Supertierras | Júpiter caliente | Telescopio espacial James Webb
Image: Periodic transit timing variations measured for Neptune-like planet HAT-P-18 b
New observations from the James Webb Space Telescope show periodic transit timing variations in the Neptune-like planet HAT-P-18 b. The data indicates an orbital timing shift of 92.9 seconds, providing fresh insights into the dynamics of this distant system....
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HD 158485 revealed as a binary system containing two pulsating stars
icon14. 10. 2026
iconEstrellas | Telescopio espacial James Webb | 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
iconEstrellas | Exoplanetas | Enanas rojas | Telescopio espacial James Webb | Atmósferas planetarias | Planetas océano
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
iconEstrellas | Exoplanetas | Enana naranja | Telescopio espacial James Webb | Atmósferas planetari
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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Explore los últimos estudios científicos sobre estrellas y exoplanetas en nuestra galaxia. Descubra las últimas investigaciones sobre astrofísica y astronomía estelar.
La investigación actual

 WASP 94
687 ly
 study icon A New Method for Constraining 3D Exoplanet Atmospheres: Application to WASP-94A b's Panchromatic Spectrum
today

KELT-2
439 ly
 study icon Emission spectroscopy of KELT-2A b with Gemini-North/IGRINS-2: hints of a stellar C/O ratio and sub-stellar metallicity
yesterday

TOI-2257
189 ly
 study icon The Limits of Tidal Circularization and Atmospheric Escape for Mini-Neptunes and Super-Earths: The Case of TOI-2257 b
yesterday

KELT-18
1032 ly
 study icon High-resolution transmission spectroscopy of KELT-18b Metastable helium detection at 1083 nm
14. 10. 2026

WASP 17
1315 ly
 study icon A Spatial Map of the Atmospheric Limb of a Hot Jupiter
14. 10. 2026
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