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While NASA and its partners are designing the Habitable Worlds Observatory, astronomers in China are developing the Closeby Habitable Exoplanet Survey (CHES), which will use astrometry (like Gaia) to find planets through stellar wobbles.
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While NASA and its partners are designing the Habitable Worlds Observatory, astronomers in China are developing the Closeby Habitable Exoplanet Survey (CHES), which will use astrometry (like Gaia) to find planets through stellar wobbles. A new paper suggests that the data from both missions could work together to find dozens of Earth-like planets in habitable zones around nearby stars. They estimate more than 50 candidate planets, more than HWO alone.
Closeby Habitable Exoplanet Survey (CHES). IV. Synergy between astrometry and direct imaging missions of the Habitable World Observatory for detecting Earth-like planets
Abstract page for arXiv paper 2505.02818: Closeby Habitable Exoplanet Survey (CHES). IV. Synergy between astrometry and direct imaging missions of the Habitable World Observatory for detecting Earth-like planets
arXiv.org (arxiv.org)
