Space

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In 1926, famed astronomer Edwin Hubble developed his morphological classification scheme for galaxies. This method divided galaxies into three basic groups – elliptical, spiral and lenticular – based on their shapes. Since then, astronomers have devoted considerable time and effort in an attempt to determine how galaxies have evolved over the course of billions of
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Planet 9 probably isn’t from another star, according to researchers from the UK and Switzerland. According to a paper on the Cornell University Library archive, while previous studies show how planet-sized objects can be captured during the early evolution and dissolution of stellar nurseries, it seems several constraints reduce the probability of interstellar planet-swapping to a
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Earlier this year, NASA announced the discovery of Trappist-1, a planetary system containing seven Earth-sized planets that could potentially bear water. Now, a international team of scientists has produced further evidence that these worlds might be habitable.   Led by Vincent Bourrier, a Swiss astronomer from the Observatoire de l’Université de Genève, these scientists have been using the Space Telescope Imaging Spectograph (STIS) on the Hubble Space Telescope to
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A team of scientists led by Mario Sucerquia at the University of Antioquia in Colombia have suggested a new explanation for the irregular dips in brightness of the star K8462852, since it recently resumed its unusual behaviour.  The mysterious shift in stellar opacity could be the signature of a transiting Saturn-like exoplanet.   “[W]e study the dynamics of a tilted exoring […] to
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If you think the weather’s bad on our planet, consider the ice giants Neptune and Uranus, where intense pressures and super-hot temperatures are thought to cause cascading showers of diamonds. Now, researchers have recreated the effect here on Earth. Using high-powered optical lasers to rapidly heat polystyrene, researchers were able to produce and then study
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Forty years ago, the Voyager 1 and 2 missions began their journey from Earth to become the farthest-reaching missions in history. In the course of their missions, the two probes spent the next two decades sailing past the gas giants of Jupiter and Saturn. And while Voyager 1 then ventured into the outer Solar System, Voyager 2 swung by Uranus and Neptune, becoming the first and only probe in