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A long-standing puzzle in the study of exoplanets is the formation of hot Jupiters, gas giant planets that snuggly orbit their host star. To explain their short orbital periods, theory suggests that hot Jupiters form in long orbits and then quiescently migrate through the protoplanetary disc, the flat ring of dust and debris that circles a newly fashioned star and coalesces to form the planets. This theory was challenged when the orbital plane of hot Jupiters were discovered to be frequently misaligned with the equator of their host stars.
via Science Daily
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A long-standing puzzle in the study of exoplanets is the formation of hot Jupiters, gas giant planets that snuggly orbit their host star. To explain their short orbital periods, theory suggests that hot Jupiters form in long orbits and then quiescently migrate through the protoplanetary disc, the flat ring of dust and debris that circles a newly fashioned star and coalesces to form the planets. This theory was challenged when the orbital plane of hot Jupiters were discovered to be frequently misaligned with the equator of their host stars.
via Science Daily
Zazzle Space Exploration market place
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