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Stellar Brief: 20. 10. 2026
Today’s standout finding changes the story of PDS 70: the young star is estimated to be 12 to 16 million years old, about three times older than previously thought. Alpha Centauri was the leading Stellarcatalog search query, with 1,537 impressions on October 19. Read today's Stellar Brief

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Latest astronomy nouvelles

Astronomers have discovered a new, incredibly small planet orbiting a nearby star Gliese 238
icon29. 7. 2024
iconÉtoiles | Exoplanète
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
iconÉtoiles | Exoplanète
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
iconÉtoiles | Exoplanète
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
iconÉtoiles | Exoplanète
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
iconÉtoiles | Exoplanète
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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CHEOPS telescope helped precisely measure two-planet system TOI 1130
icon9. 7. 2024
iconÉtoiles | Exoplanètes | CHEOPS
Image: CHEOPS telescope helped precisely measure two-planet system TOI 1130
Jupiter-like giant is orbiting close to the star with a smaller Neptune-sized companion. The data also hint at a possible third, much farther out, planet....
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Rare metal-poor star rich in lithium HE0057-5959 has an unclear origin
icon29. 6. 2024
iconÉtoile
Image: Rare metal-poor star rich in lithium HE0057-5959 has an unclear origin
The study suggest a mass transfer from other star, but no companion was detected so far...
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Water vapor and carbon monoxide detected in the atmosphere of ultra-hot Jupiter WASP 178 b
icon13. 6. 2024
iconÉtoiles | Exoplanète
Image: Water vapor and carbon monoxide detected in the atmosphere of ultra-hot Jupiter WASP 178 b
The metallicity of the planet is similar to our Sun....
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Three super-Earths TOI-260 b, TOI-286 b, and TOI-286 c confirmed
icon11. 6. 2024
iconÉtoiles | Exoplanètes | Super-Terre | Planètes océ
Image: Three super-Earths TOI-260 b, TOI-286 b, and TOI-286 c confirmed
Astronomers used combinined high-precision data from TESS space telescope for transits and ESPRESSO instrument on VLT in Chile for radial velocity, that allowed them to measure mass and radius....
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icon8. 6. 2024
iconÉtoiles | Exoplanète
Image:
Radius and temperature measured for stars in binary system EBLM J0608-59 (TOI-1338, BEBOP-1). Both stars in this system are orbited by at least two exoplanets....
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Exoplanètes nouvellement découvertes

 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
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
TOI-4468 b 08 / 2026 170.1 M⊕ 1233.1 ly
TOI-4468 d 08 / 2026 311 M⊕ 1233.1 ly
Newly discovered exoplanets
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Latest scientific studies

Parcourez les dernières études scientifiques sur les étoiles et les exoplanètes de notre galaxie. Découvrez les dernières recherches en astrophysique et en astronomie stellaire.

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

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

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

TIC 402710280
218 ly
 study icon A 36.34-day Sub-Neptune Candidate Transiting the Nearby K Dwarf TIC 402710280
yesterday

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

HD 112485
5881 ly
 study icon Ensemble pulsational characteristics of eclipsing binaries containing β Cep stars observed by the TESS mission
19. 10. 2026

HD 100546
359 ly
 study icon An ALMA view on molecular complexity: water, methanol, and methyl formate in the HD 100546 and IRS 48 disks
19. 10. 2026

HD 120678
5829 ly
 study icon HD 120678: a classical Be star with a tilting heartbeat disk
18. 10. 2026

33 G. Librae
19.2 ly
 +1 study icon EPRV Asteroseismology of the K dwarfs GJ 570 A and GJ 783 A with ESPRESSO. Empirical mode-amplitude scaling in tension with 3D convection simulations
18. 10. 2026

WISE 0855-0714
7.3 ly
 study icon Water Cloud and Chemical Modulations in the Coldest Brown Dwarf
17. 10. 2026
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