17 June 2020
Six billion Earth-like planets could be in our galaxy, new study says
... water, and potentially life, on its surface. "My calculations place an upper limit of 0.18 Earth-like planets per G-type star," says UBC researcher Michelle Kunimoto, co-author of the new study in The Astronomical Journal. "Estimating how common...
09 October 2019
This year's Physics Nobel Prize winners
...is “for the discovery of an exoplanet orbiting a solar-type star.” James Peebles’ insights into physical cosmology have enriched the ... outside our solar system, an exoplanet, orbiting a solar-type star in our home galaxy, the Milky Way. At the Haute...
March 2016
Saving Earth from an Expanding Sun
...a habitable planet! Sure, it’s five billion until our G-type star leaves the main sequence, expands prodigiously and eats Earth. ... which a planet is just the right distance from its home star so that its surface is neither too hot nor too cold ...
March 2017
Twinkle - a mission to unravel the story of planets in our galaxy
... and Professor of Physics and Astronomy at UCL. References 1 Mayor M, Queloz D (1995) A Jupiter-mass companion to a solar-type star. Nature 378:355-359 2 Tinetti G, Encrenaz T & Coustenis A. Astron Astrophys Rev (2013) 21: 63. doi:10.1007/s00159-013...
10 December 2021
Extreme exoplanet changes the picture about massive stars as planet hosts
... the more high-energy radiation it produces, which causes the surrounding material to evaporate faster. As such B-type stars are often considered to be inhospitable hosts when it comes to planet building. And b Centauri is no exception. Owing to its...
October 2015
Finding Earth-like worlds: the tale of how Kepler-452b was discovered
... with just 4% more mass. Nevertheless, it is still another G2-type star. Around it is a small planet that has a good chance ...a paper analysing the Kepler data. What that showed was that G-type stars appear to be twice as variable as the Sun. That was ...