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In 2018, scientists announced the discovery of a extrasolar planet orbiting Barnard’s star, an M-type (red dwarf) that is just 6 light years away. Using the Radial Velocity method, the research team responsible for the discovery determined that this exoplanet (Barnard’s Star b) was at least 3.2 times as massive as Earth and experienced average surface temperatures of about -170 °C (-274 °F) – making it both a “Super-Earth” and “ice planet”.
Based on these findings, it was a foregone conclusion that Barnard b would be hostile to life as we know it. But according to new study by a team of researchers from Villanova University and the Institute of Space Studies of Catalonia (IEEC), it is possible – assuming the planet has a hot iron/nickel core and experiences enhanced geothermal activity – that this giant iceball of a planet could actually support life.
Findings - Meeting - Astronomy - Society - AAS
The findings were shared at the 233rd meeting of the American Astronomy Society (AAS), which took place from January 6th to 10th in Seattle, Washington. The presentation, titled “X-Ray, UV, Optical Irradiances and Age of Barnard’s Star’s New Super Earth Planet – ‘Can Life Find a Way’ on such a Cold Planet“, was delivered during a press conference on January 10th and concerned findings that appeared in a recent study.
These findings were based on an analysis of 15 years worth of high-precision photometry of Barnard’s Star, as well as newly-acquired data.
Data - Observers - Comprehensive - Study - Borja
This data, along with that of other observers, was included in a recent comprehensive study led by Borja Toledo-Padrón, a doctoral student at the University of La Laguna’s Institute of Astrophysics of the Canary Islands.
Edward Guinan and Scott Engle (two astrophysicists from Villanova University) were co-authors on this study, as was Ignasi Ribas – a researcher with the IEEC, the Institute of Space Sciences (ICE, CSIC) and...
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