High-resolution observations shed more light on a peculiar brown dwarf system
Using the Keck Planet Imager and Characterizer (KPIC), astronomers have performed high-resolution spectroscopic observations ...
Spacecraft finds a positively enormous planet 12 times Jupiter's mass
Gaia-4b is considered a super-Jupiter planet, a relatively cold gas giant, orbiting its star over 570 Earth-days. That star ...
Gaia Just Found Two Massive Objects That Shouldn’t Exist – And Astronomers Are Stunned
Scientists using data from the European Space Agency’s Gaia mission have made a groundbreaking discovery: a massive exoplanet ...
University of Manchester6mon
‘Stellar cannibalism’ transforms star into brown dwarf
Most brown dwarfs are ‘failed stars’, objects that were born with too little mass to shine brightly by fusing hydrogen in their cores. "The difference in this system is that the brown dwarf was born ...
earth9d
Wobbling stars reveal giant companions
Data from the Gaia spacecraft shows that even unassuming stars can host monumental companions like massive planets.
High-precision spectrograph confirms massive exoplanet orbiting a low-mass star
With an assist from the NEID spectrograph, a team of astronomers have confirmed the existence of exoplanet Gaia-4b—one of the ...
Newsweek25d
Interstellar Visitor May Have Scrambled Our Solar System
NASA artist’s conception of a brown dwarf (main ... with random encounters within an open star cluster having properties expected for where the solar system formed," the researchers wrote ...
EurekAlert!11d
Wobbling stars reveal hidden companions in Gaia data
Using data from the European Space Agency’s Gaia mission, scientists have found a huge exoplanet and a brown dwarf. This is ...
Business Today3mon
First-ever brown dwarf planet discovery reveals surprise binary system after 3 decades
Recent observations, however, reveal that Gliese 229B is actually two brown dwarfs orbiting each other closely, forming a binary system ... sit between planets and stars. They are not massive ...