By Will Dunham WASHINGTON, Feb 14 (Reuters) - Astronomers have observed a planetary system that challenges current planet ...
A recent study published in Science examines exoplanet LHS 3154b that orbits its parent star in just 3.7 days but is 13.2 times as massive as the Earth with the star being nine times less than our Sun ...
CAUP Astronomer Polychronis Papaderos, along with his colleague Goeran Oestlin (Oskar Klein Center, U. Stockholm), used the Hubble Space Telescope (HST) to get extremely accurate observations of the I ...
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