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Stellar Brief: 19. 10. 2026
The cold brown dwarf WISE 0855 has weather that looks strikingly planet-like: James Webb observations reveal patchy water clouds and changing atmospheric gases, including carbon monoxide and phosphine.
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Latest astronomy Новости
20. 6. 2026
Звезды | ЭкзопланетыTOI-837 b is a young, Saturn-sized planet located in the IC 2602 cluster, which is only 35 million years old. By studying the spin-orbit obliquity—the angle between the axis of the planet's orbit and the axis of the host star's rotation—researchers can determine how planets migrated to their current positions. This planet is the first younger than 100 million years observed to have a measurable misalignment, providing a rare look at planetary evolution.
The planet was observed during transit ...
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20. 6. 2026Звезды | ЭкзопланетыThe exoplanet 55 Cancri e is a hot, rocky world with a complex atmosphere that has been the subject of recent study. New research using advanced three-dimensional climate models shows that the planet likely possesses a thick, carbon dioxide-rich atmosphere. This conclusion relies on simulations that account for heat distribution across the planet, providing a more detailed look than previous one-dimensional models allowed.
The findings indicat...
Read article 20. 6. 2026Экзопланеты | ЗвездыTOI-7701 b (TOI-7701.01) is a transiting object orbiting a bright F-type subgiant star. Initially identified as a candidate in a machine-learning survey, its true nature as a planet had remained uncertain until now. New statistical analysis has confirmed this object as a sub-Saturn, placing it at the critical boundary between giant planets and low-mass brown dwarfs, which are objects larger than planets but smaller than stars.
The confirmation...
Read article 19. 6. 2026Звезды | Экзопланеты | Атмосферы планетBeta Pictoris b is a young, giant planet located in a star system where astronomers can directly image its atmosphere. By studying the specific chemical makeup of this world, researchers can learn how it formed and how its composition compares to the raw materials found in the gas cloud that birthed the system. This study provides a detailed chemical profile of the planet, focusing on carbon isotopes and its overall atmospheric makeup.
The pla...
Read article 17. 6. 2026Gliese 486 b is a rocky exoplanet orbiting a Red dwarf star at a distance of about 26 light-years from the Solar System. Because it orbits very close to its host star, the planet is extremely hot, with surface temperatures reaching approximately 700 Kelvin. Observations from the James Webb Space Telescope were used to examine the light from the star as the planet passed in front of it to search for an atmosphere.
The research indicates that th...
Read article 17. 6. 2026Звезды | ЭкзопланетыThe HIP 67522 system, at approximately 17 million years old, is one of the youngest multi-planetary systems ever observed. This Sun-like star, located within the Scorpius-Centaurus OB association, hosts two Saturn-sized planets locked in a near 2:1 orbital resonance, meaning that for every orbit the outer planet completes, the inner planet completes roughly two. Scientists have conducted an analysis of photometric transit data—where the dimming o...
Read article 12. 6. 2026Звезды | ЭкзопланетыResearchers have identified three massive planets orbiting two low luminosity red giant stars, marking a significant addition to our understanding of planetary systems around evolved stars. These stars, which have expanded and cooled after exhausting the hydrogen fuel in their cores, are a unique environment for planet formation and survival. The study, part of a long-term campaign using the CORALIE spectrograph, focused on observing changes in t...
Read article 6. 6. 2026Звезды | ЭкзопланетыAstronomers have identified two young, large-radius planets orbiting the F-type star HD 114082, marking them as the longest-period young transiting exoplanets currently known. These planets, designated b and c, were detected through a collaborative effort using data from multiple space and ground-based telescopes, including TESS, the Next-Generation Transit Survey (NGTS), the Characterising Exoplanet Satellite (CHEOPS), and the Antarctic Search f...
Read article 6. 6. 2026Звезды | Экзопланеты | TESS | Горячий юпитер | Солнцеподобные звёздыUnderstanding how giant planets evolve is essential for building a complete picture of planetary systems. While many exoplanets have been found, studying their changes over time requires observing systems in different stages of development. A recent discovery has added three new gas giant planets — known as hot Jupiters — orbiting stars that are approaching the end of their main sequence, a critical but less studied phase of planetary life.
Th...
Read article 6. 6. 2026Звезды | Экзопланеты | Атмосферы планет | Красные карликиThe search for life on distant planets often relies on identifying biosignatures — gases like oxygen or methane that are produced by biological processes. However, a new study highlights how the specific ultraviolet (UV) radiation from a host star can significantly influence a planet's atmospheric chemistry, potentially creating false-positive signals that might be mistaken for life. The research focused on the planet TRAPPIST-1 e, which orbits a...
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Недавно обнаруженные экзопланеты
| 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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