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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
Latest astronomy Новости
13. 2. 2026
Экзопланеты | ЗвездыA new study using the BOREAS model reveals how sub-Neptune planets can transform their atmospheres over hundreds of millions of years. By analyzing how different elements escape into space, researchers found that lighter hydrogen is often stripped away while heavier oxygen remains trapped. This process, known as chemical fractionation, can gradually turn a gas-poor envelope into a water-rich atmosphere. The findings suggest that planets like GJ 9827 d may have started with very different composi...
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12. 2. 2026Звезды | | ЭкзопланетыUsing the advanced HiRISE instrument at the Very Large Telescope, astronomers have performed a detailed analysis of 51 Eridani b, one of the faintest directly imaged planets ever found.
By measuring the planet's radial velocity across four different time periods, the team successfully mapped its full 3D orbit, breaking previous uncertainties. They discovered that the planet follows a highly stretched, or eccentric, path rather than a circular...
Read article 12. 2. 2026Звезды | ЭкзопланетыAstronomers have discovered a new massive giant planet, HD 164604 c, which takes about 15 years to orbit its parent star. By combining data from ground-based telescopes and space missions like Gaia, researchers also refined our understanding of a previously known inner planet in the same system.
The study reveals a fascinating orbital dance: the two planets might be moving in opposite directions (a retrograde orbit), suggesting a violent past...
Read article 10. 2. 2026Звезды | Экзопланеты | Белые карлики | Космический телескоп имени Джеймса УэббаUsing the James Webb Space Telescope (JWST), astronomers have conducted a detailed analysis of WD0806 b, one of the coldest planets ever photographed outside our Solar System. Orbiting a white dwarf at a massive distance—about 60 times further than Pluto is from our Sun—this gas giant has temperatures of only 350 K (roughly 77°C). The study identified a cocktail of chemicals in its atmosphere, including water, methane, and carbon dioxide.
For...
Read article 10. 2. 2026Звезды | ЭкзопланетыAstronomers have confirmed a complex multiplanet system orbiting Lacaille 9352 (also Gliese 887, HD 217987) - a bright red dwarf star only 11 light years away. Using high-precision instruments, the team identified two new worlds: a small planet roughly the mass of Earth with a very short 4-day orbit, and a larger 'super-Earth' located within the star's habitable zone, where temperatures could allow for liquid water.
This super-Earth, which ta...
Read article 9. 2. 2026By studying the swirling disk of gas and dust around the star AB Aur, astronomers are gaining a clearer picture of the raw materials available for building new worlds. Using the NOEMA radio interferometer, researchers measured the ratio of carbon to oxygen—a key indicator of a planet's future atmosphere—by observing specific molecules like carbon monosulfide and sulfur monoxide.
The data suggests that this 'planetary nursery' is carbon-rich b...
Read article 8. 2. 2026ЗвездыScientists have uncovered the unusual characteristics of V658 Car, a binary star system that has recently undergone a dramatic 'makeover' through mass transfer. The system consists of a rapidly spinning Be-type star and a smaller, hot companion.
The main star is spinning at a staggering 336 km/s—fast enough to fling material into a massive glowing disk that stretches 42 times the radius of our Sun. Surprisingly, the study found that this star...
Read article 8. 2. 2026Звезды | MeerKATA new study exploring the heart of our Galaxy has identified 137 stars that shine in both radio waves and X-rays, providing a clearer picture of stellar magnetic activity. By combining data from the MeerKAT radio telescope and the eROSITA X-ray satellite, researchers tested the famous Güdel-Benz relation, which usually links a star's heat-driven X-rays to its high-energy radio flares.
The findings reveal that many stars in the Galactic plane ...
Read article 8. 2. 2026Экзопланеты | ЗвездыRecent research into tidal interactions reveals that internal gravity waves within stars play a fundamental role in the fate of 'hot Jupiters' — massive gas giants orbiting very close to their stars. By analyzing how these waves dissipate energy, scientists found that up to 20% of stars similar to our Sun may have already engulfed a large planet, which explains why some stars like TOI-2458 and Gliese 504 rotate faster than expected.
The study...
Read article 6. 2. 2026ALMA | Звезды | Молодые звездные объектыUsing the ALMA telescope, astronomers have captured deep polarization images of the disk surrounding the star PDS 70, a unique system known for hosting two actively forming planets.
By analyzing how light scatters off dust particles in the massive ring surrounding the star, researchers discovered that the dust grains are surprisingly small, reaching a maximum size of only about 0.1 millimeters. This suggests that even in environments where pla...
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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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