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Do Hycean worlds even exist? If they do, we're not sure because a lava world could produce the same atmospheric signals.

Montreal, Canada (SPX) Jan 10, 2024 - Led by researchers from Universite de Montreal's Trottier Institute for Research on Exoplanets (iREx), a team of astronomers has harnessed the power of the revolutionary James Webb Space Webb Telesc

A team of astronomers including McGill Professor Nicolas Cowan has unravelled the enigmatic atmosphere of the exoplanet HAT-P-18 b, shedding light on its intriguing blend of gases, clouds, and even the effects of its star’s activity Exoplanets, planets located beyond our Solar System, captivate both scientists and the public, holding the promise of unveiling diverse planetary systems and potentially habitable worlds. Despite being very much not like our Earth, large gas giant planets found very close to their stars have proven to be ideal test targets for telescopes like the James Webb Space...

We now know how far away some galaxies are in the iconic "deep field" image from NASA's James Webb Space Telescope. A Canadian instrument is revealing more about how the universe changed over time.

We now know how far away some galaxies are in the iconic "deep field" image from NASA's James Webb Space Telescope.