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Canada proposes POET mission to hunt Earth-sized planets

phys.org·Universe Today·30 days ago
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Artist's illustration of an ultracool dwarf star and an orbiting exoplanet. Credit: NASA/JPL-Caltech Exoplanet science and the search for life beyond Earth continue to advance at break-neck speeds, with the number of confirmed exoplanets by NASA rapidly approaching 6,300, with 223 of those exoplanets being designated as terrestrial (rocky) exoplanets. With the promise of discovering an increasing number of Earth-sized exoplanets increasing every day, new telescopes from across the world have the opportunity to contribute to this incredible field. Now, Canada proposes a novel micro-satellite mission called POET (Photometric Observations of Exoplanet Transits), which is currently in development and will search for and identify Earth-sized and super-Earth exoplanets orbiting stars smaller and cooler than our sun, which the researchers refer to as "ultracool dwarfs." These consist of K-type, M-type, and brown dwarf stars, the last of which are designated as "failed stars" whose sizes range between gas giant…

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