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Stellar Brief: 22. 10. 2026
A young, planet-hosting star called V1298 Tauri is showing how fiercely active infant planetary systems can be: radio emissions appeared in 90 percent of monitoring visits, while its X-ray brightness also changed and showed a stellar flare. Read today's Stellar Brief

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Latest astronomy noticias

Unseen companion in the binary star system LAMOST J2354+3356 is likely a massive white dwarf with 130% the mass of our Sun
icon7. 8. 2024
iconEstrellas | Enanas b
Image: Unseen companion in the binary star system LAMOST J2354+3356 is likely a massive white dwarf with 130% the mass of our Sun
LAMOST J2354+3356 system is about 420 light years away and in addition to the unseen companion contains a K-dwarf star with 0.7 solar masses....
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Data from TESS and Kepler telescopes reveal that the planet Kepler-21 b is denser than previously thought, eliminating the possibility of a water world
icon7. 8. 2024
iconEstrellas | Exoplane
Image: Data from TESS and Kepler telescopes reveal that the planet Kepler-21 b is denser than previously thought, eliminating the possibility of a water world
The new data also hint at the existence of a second, larger planet farther from the star...
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Discovery of 2 new super-Earth exoplanets around stars TOI 5713 and TOI 6002
icon2. 8. 2024
iconEstrellas | Exoplane
Image: Discovery of 2 new super-Earth exoplanets around stars TOI 5713 and TOI 6002
Both planets orbit red dwarfs near the inner edge of their habitable zone...
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Earth-sized planet discovered so close to its star that it is on brink of destruction
icon1. 8. 2024
iconEstrellas | Exoplane
Image: Earth-sized planet discovered so close to its star that it is on brink of destruction
TOI-6255 b orbits its star in just 5.7 hours, facing intense gravitational forces that are stretching it into an elongated shape...
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New planet discovered orbiting star HD 118203 with a known hot Jupiter
icon1. 8. 2024
iconEstrellas | Exoplane
Image: New planet discovered orbiting star HD 118203 with a known hot Jupiter
The newly found planet is a gas giant located farther from the star. Both planets are aligned with the stars equator, suggesting they likely formed in the same plane and migrated to their current positions....
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Astronomers have discovered a new, incredibly small planet orbiting a nearby star Gliese 238
icon29. 7. 2024
iconEstrellas | Exoplane
Image: Astronomers have discovered a new, incredibly small planet orbiting a nearby star Gliese 238
The star Gliese 238 is only 50 light years away, which makes it one of the closest stars with known exoplanet. Newly discovered object is similar in size to Mars, but it orbits too close and there are temperatures close to 500 °C on its surface. ...
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JWST found the atmosphere of 55 Cancri e keeps changing
icon22. 7. 2024
iconEstrellas | Exoplane
Image: JWST found the atmosphere of 55 Cancri e keeps changing
It is not rotating as expected and might have active volcanoes or gas releases....
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A new giant planet was discovered in HD 118203 system with known hot Jupiter planet
icon17. 7. 2024
iconEstrellas | Exoplane
Image: A new giant planet was discovered in HD 118203 system with known hot Jupiter planet
The new planet is much larger than the hot Jupiter and orbits much farther from the star...
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New observations of a warm Neptune GJ 436 b didn't find any signs of water vapor, methane, or carbon monoxide in its atmosphere
icon10. 7. 2024
iconEstrellas | Exoplane
Image: New observations of a warm Neptune GJ 436 b didn
The planet may be shrouded in very high clouds, or its atmosphere has an unexpected abundance of metals...
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Hydrogen sulfide (H2S) discovered in the atmosphere of nearby giant planet HD 189733 A b
icon9. 7. 2024
iconEstrellas | Exoplane
Image: Hydrogen sulfide (H2S) discovered in the atmosphere of nearby giant planet HD 189733 A b
This and other elements like water and carbon monoxide suggest the planet formed from icy materials...
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Exoplanetas recién descubiertos

 EK Chamaeleontis b 10 / 2026 2702.2 M⊕ 321.3 ly
HD 715 b 10 / 2026 201.9 M⊕ 542.8 ly
DENIS J1253-5709 b 10 / 2026 244.8 M⊕ 54.4 ly
L 115-21 b 10 / 2026 0.4 M⊕ 41.9 ly
TIC 219893931 b 09 / 2026 8.9 M⊕ 1319.5 ly
TOI-6417 b 09 / 2026 349.7 M⊕ 1903.9 ly
TOI-6443 b 09 / 2026 1605.4 M⊕ 2051.6 ly
TOI-7219 b 09 / 2026 661 M⊕ 1074.2 ly
TOI-4079 B b 09 / 2026 1646.8 M⊕ 1185.6 ly
HD 45652 b 09 / 2026 1557.7 M⊕ 113.9 ly
LSPM J0804+1116 b 09 / 2026 6.4 M⊕ 82.6 ly
HR 8799 f 09 / 2026 524.5 M⊕ 133.3 ly
61 Cygni A b 09 / 2026 2543.3 M⊕ 11.4 ly
TOI-5646 b 08 / 2026 45.9 M⊕ 1352.3 ly
TOI-4468 c 08 / 2026 11.1 M⊕ 1233.1 ly
Newly discovered exoplanets
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Latest scientific studies

Explore los últimos estudios científicos sobre estrellas y exoplanetas en nuestra galaxia. Descubra las últimas investigaciones sobre astrofísica y astronomía estelar.

 V1298 Tauri
352 ly
 study icon Radio and high-energy variable emission from a multi-wavelength follow-up of the infant planet-hosting star V1298 Tau
today

TYC 5709-354-1
437 ly
 study icon Predictions for an unseen third planet in the WISPIT 2 system
today

TIC 220432308
1129 ly
 +1 study icon Two Validated Planets and 179 Candidates From a TESS Faint Star Transit Search in the ULTRASAT Fields
yesterday

TOI 431
106 ly
 +4 study icon Thermal Evolution of Lava Planets Across System Ages: Predictions for Hell of a Survey
yesterday

L 115-21
41.9 ly
 study icon A sub-Earth-sized TESS planet candidate in the nearby M-dwarf binary GJ 774, most likely orbiting GJ 774 A (TIC 351339274)
yesterday

TOI-3686
841 ly
 study icon TOI-3686: A Hot Jupiter and Sub-Neptune In A 2:1 Mean-Motion Resonance
yesterday

TOI-270
73.3 ly
 study icon Ammonia-Hydrogen Phase Equilibria in Planetary Envelopes from First-Principles-Based Machine-Learning Molecular Dynamics
yesterday

PDS 70
370 ly
 study icon Kinematic structure and age of a Scorpius--Centaurus subcomponent: implications for PDS 70 planetary system
20. 10. 2026

TIC 402710280
218 ly
 study icon A 36.34-day Sub-Neptune Candidate Transiting the Nearby K Dwarf TIC 402710280
20. 10. 2026

LTT 9779
264 ly
 +1 study icon Granulation in Color: The Chromatic Stellar Flicker of LTT-9779 and WASP-121
20. 10. 2026
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