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Stellar Brief: 20. 10. 2026
The planet-forming disk around HD 100546 contains an unexpectedly high amount of methyl formate: ALMA measured a methyl-formate-to-methanol ratio of about 2, hinting that active chemistry is reshaping the ingredients from which planets form. Read today's Stellar Brief

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Latest astronomy zprávy

Massive brown dwarf discovered orbiting a Sun-like star HD 63754
icon8. 8. 2024
iconHvězdy | Hnědí trpaslíci
Image: Massive brown dwarf discovered orbiting a Sun-like star HD 63754
Its mass suggests that it almost reaches the hydrogen-burning limit, which would make it a star....
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Evidence of powerful solar flares erupting from polar regions of young star AB Doradus
icon8. 8. 2024
iconHvězdy
Image: Evidence of powerful solar flares erupting from polar regions of young star AB Doradus
These eruptions are much stronger than those seen on our Sun. The findings challenge the previous understanding that strong magnetic fields near the poles would prevent such eruptions....
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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
iconHvězdy | Bílí trpaslíci
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
iconHvězdy | Exoplanety
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
iconHvězdy | Exoplanety
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
iconHvězdy | Exoplanety
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
iconHvězdy | Exoplanety
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
iconHvězdy | Exoplanety
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
iconHvězdy | Exoplanety
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
iconHvězdy | Exoplanety
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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Nově objevené exoplanety

 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

Projděte si nejnovější vědecké studie o hvězdách a exoplanetách v naší galaxii. Objevte nejnovější výzkumy astrofyziky a hvězdné astronomie.

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

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

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

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
yesterday

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

TOI-5322
1560 ly
 +1 study icon A Sample of Thick-Disk Stars Hosting Hot Jupiters
17. 10. 2026

WD J1330+6435
282 ly
 study icon Any colour you like: the diverse chromaticities of white dwarfs
17. 10. 2026

WASP-33
378 ly
 study icon Identifying deformed exoplanets with JWST and Ariel: A target selection metric for phase curve observations
16. 10. 2026
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