Super-puffs are extrasolar planets with masses only a few times larger than Earth’s, radii larger than Neptune, and very low densities.
First discovered by NASA’s Kepler space telescope, these planets are relatively rare in our Milky Way Galaxy — fewer than 15 have been discovered so far.
“Kepler-51’s trio take planetary puffiness to new levels,” said Dr. Zachory Berta-Thompson, an astronomer in the Department of Astrophysical and Planetary Sciences at the University of Colorado, Boulder.
“Their discovery was straight-up contrary to what we teach in undergraduate classrooms.”
Bagikan Berita Ini
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