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14. 9. 2026
Звезды | Экзопланеты | Атмосферы планетThe exoplanet KELT-9 b is an extremely hot gas giant where temperatures reach 4,000 Kelvin. Because it is so hot, traditional methods for studying its atmosphere using molecules like water or carbon dioxide are difficult, as these compounds break apart into individual atoms due to the intense heat. By analyzing light passing through the planet's atmosphere, researchers have now directly measured the levels of atomic carbon and oxygen to understand its chemical makeup.
The study found the carb...
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13. 9. 2026Экзопланеты | Звезды | Солнцеподобные звёздыThe closest Sun-like stars to the Solar System are Alpha Centauri A, Tau Ceti, and 82 G. Eridani. All three are G-type main-sequence stars, broadly similar to the Sun, although they differ in mass, temperature, age, and planetary systems.
Read article Alpha Centauri A — 4.37 light-years
Alpha Centauri A is the closest Sun-like star to the Solar System. It is a G2V star with about 1.1 times the mass of the Sun. Its surface temperature is approxi...12. 9. 2026Звезды | Экзопланеты | Космический телескоп имени Джеймса Уэбба | Атмосферы планетThe atmospheric makeup of the warm Neptune-sized planet HD 106315 c has been studied using data from the James Webb Space Telescope. Located around an F-type star, the planet is subject to intense ultraviolet radiation. While researchers expected to find chemical markers related to sulphur, the study revealed a high enrichment of metals in the planet's atmosphere and identified water vapor along with potential traces of ammonia.
By analyzing l...
Read article 12. 9. 2026Звезды | Экзопланеты | Космический телескоп имени Джеймса УэббаA new candidate planet has been identified within the HR 8799 system using direct imaging. If confirmed, this would mark the first time a five-planet system has been directly imaged. The potential planet is estimated to have a mass of a few to several times that of Jupiter and orbits the star at a distance of approximately 7 astronomical units, which is roughly the distance from the Sun to Jupiter in our own solar system.
The object was observ...
Read article 12. 9. 2026Звезды | Экзопланеты | Горячий юпитер | TESSWASP-43 b is a hot Jupiter, a massive gas giant planet that orbits extremely close to its host star, causing it to have a very high surface temperature. By analyzing five sectors of observations from the TESS space telescope, researchers mapped the planet's phase curve—the change in brightness as the planet orbits its star—to study the composition of its atmosphere and determine if it possesses reflective clouds on its dayside.
To investigate ...
Read article 12. 9. 2026Звезды | ЭкзопланетыThe planet WASP-12 b is gradually spiraling toward its host star, a phenomenon known as orbital decay. Its orbital period is shrinking at a rate that cannot be explained by standard tidal interactions—the gravitational friction between a star and its orbiting planet—that typically occur in main-sequence stars, which are stars in the stable, hydrogen-burning phase of their lives.
One theory suggested that obliquity tides, which occur when a pla...
Read article 12. 9. 2026Звезды | Экзопланеты | Атмосферы планетThe ultra-hot Jupiter KELT-20b, also known as MASCARA-2b, maintains an equilibrium temperature of approximately 2300 Kelvin. Due to this intense heat, the planet serves as a natural laboratory for studying planetary atmospheres. By analyzing seven separate transits, where the planet passed in front of its host star, new details regarding the chemical composition and the spatial structure of its gaseous envelope have been characterized.
Researc...
Read article 9. 9. 2026Звезды | Экзопланеты | ГигантыThe Pi Mensae star system hosts a complex arrangement of planets, including a massive giant planet known as planet b, a small transiting sub-Neptune planet c, and a candidate planet d orbiting between them. New research examines how the gravitational influence of the outer giant planet b impacts the orbital path of the middle planet d, specifically focusing on its eccentricity, which describes how much an orbit deviates from a perfect circle.
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Read article 9. 9. 2026Звезды | Экзопланеты | Молодые звездные объекты | Формирование планетThe planet-forming disk surrounding the young binary star system DQ Tau is significantly influenced by the variable radiation and matter-gathering processes of its host stars. By analyzing light emissions from the disk, it is possible to understand how stellar activity, such as X-ray flares and changes in accretion—the process where a star pulls in material from its surroundings—impacts the physical and chemical environment where new planets may ...
Read article 9. 9. 2026Звезды | ЭкзопланетыThe Nu Octantis system consists of a compact binary star pair and a planet in a retrograde orbit, meaning the planet moves in the opposite direction to the rotation of the stars. This planet orbits near the limit of gravitational stability, making its long-term presence a complex dynamical challenge. By modeling various potential orbital configurations, researchers have sought to determine how this world maintains a stable path despite the intens...
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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 |
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