Brightest stars in the night sky can strip planets to their rocky cores

August 12, 2022

HD56414b_750px Artist’s concept of a Neptune-sized planet, left, around a blue, A-type star. UC Berkeley astronomers have discovered a hard-to-find gas giant around one of these bright, but short-lived, stars, right at the edge of the hot Neptune desert where the star’s strong radiation likely strips any giant planet of its gas. (Image credit: Steven Giacalone, UC Berkeley)

University of California, Berkeley, astronomers report a new, Neptune-sized planet around a hot-burning, but short-lived, A-type star and provide a hint about why so few gas giants smaller than Jupiter have been seen around the brightest 1% of stars in our galaxy.

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