[University of Cambridge] Scientists have painted the most detailed portrait yet of the planetary system orbiting Barnard’s Star – the Sun’s closest neighbour after Alpha Centauri, just under six light-years […]
Barnard’s Star
Posted inBarnard's Star
The Barnard’s Star Planetary System: Stability, Composition, and Evolution of Four Sub-Earth Exoplanets
Barnard’s Star is the nearest single star to the Sun (1.8 pc), and hosts four recently-discovered planets.
Posted inAstrobiology (general), Barnard's Star, Intelligence & Language, Interstellar, Press Release, Proxima Centauri, SETI & Technosignatures
How Airports Could Help Aliens Spot Earth
Radar systems used by civilian airports and military operations are inadvertently revealing our existence to potential advanced alien civilisations, new research shows.
Posted inAstronomy & Telescopes, Barnard's Star, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Status Report
Four Planets Discovered Around Barnard’s Star
Astronomers confirm the existence of small, hot and likely rocky planets by observing the subtle gravitational wobbles of the star they orbit.
Posted inAlpha Centauri, Astronomy & Telescopes, Barnard's Star, Biosignatures & Paleobiology, Intelligence & Language, SETI & Technosignatures, Status Report
Simulation Of The Earth’s Radio Leakage From Mobile Towers As Seen From Selected Nearby Stellar Systems
Mobile communication towers represent a relatively new but growing contributor to the total radio leakage associated with planet Earth.
Posted inAstronomy & Telescopes, Barnard's Star, Exoplanets, -moons, -comets, Imaging & Spectroscopy, Press Release, Stellar Cartography
Four Sub-Earth Planets Orbiting Barnard’s Star From MAROON-X And ESPRESSO
Barnard’s Star is an old, single M dwarf star that comprises the second-closest extrasolar system. It has a long history of claimed planet detections from both radial velocities and astrometry.
![Artist's impression of the view from one of the planets orbiting Barnard's Star. [International Gemini Observatory/NOIRLab/NSF/AURA/R. Proctor/J. Pollard; CC BY 4.0]](https://i0.wp.com/astrobiology.com/wp-content/uploads/2025/03/Barnards-Star-Hosts.jpg?resize=1200%2C714&ssl=1)
Posted inAstronomy & Telescopes, Barnard's Star, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release
Barnard’s Star Hosts Four Tiny Planets
Just 6 light-years away, Barnard’s Star is a well-studied 10-billion-year-old M dwarf with a mass of 0.16 solar mass. Finding exoplanets around Barnard’s Star has been something of a white […]
Posted inAlpha Centauri, Astronomy & Telescopes, Barnard's Star, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Status Report
A Sub-Earth-mass Planet Orbiting Barnard’s Star
Barnard’s star is a primary target within the ESPRESSO guaranteed time observations (GTO) as it is the second closest neighbour to our Sun after the α Centauri stellar system.
Posted inAstronomy & Telescopes, Barnard's Star, Exoplanets, -moons, -comets, Habitable Zones, Imaging & Spectroscopy, Press Release
A Sub-Earth Mass Planet Has Been Discovered Orbiting Barnard’s Star
Using the European Southern Observatory’s Very Large Telescope (ESO’s VLT), astronomers have discovered an exoplanet orbiting Barnard’s star, the closest single star to our Sun. On this newly discovered exoplanet, […]
Posted inAstronomy & Telescopes, Barnard's Star, Habitable Zones, Imaging & Spectroscopy, Status Report
Comprehensive High-resolution Chemical Spectroscopy of Barnard’s Star with SPIRou
Determination of fundamental parameters of stars impacts all fields of astrophysics, from galaxy evolution to constraining the internal structure of exoplanets.