There’s one kind of planet we’ve found more often than any other in the universe so far: mini-Neptunes. Now, some scientists think they’ve figured out why there are just so many of them.
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Sources:
https://aasnova.org/2020/02/04/why-are-there-so-many-sub-neptune-exoplanets/
https://iopscience.iop.org/article/10.3847/2041-8213/ab59d9
https://www.newscientist.com/article/dn24826-most-common-exoplanets-are-weird-mini-neptunes/
https://iopscience.iop.org/article/10.3847/1538-4357/aa8cd0
https://www.planetary.org/articles/the-skies-of-mini-neptunes
https://exoplanetarchive.ipac.caltech.edu/
https://www.nasa.gov/mission_pages/kepler/main/index.html
Images:
https://svs.gsfc.nasa.gov/13155
https://svs.gsfc.nasa.gov/12425
https://svs.gsfc.nasa.gov/12880
https://exoplanets.nasa.gov/discovery/how-we-find-and-characterize/
https://www.nasa.gov/feature/jpl/nasas-k2-finds-newborn-exoplanet-around-young-star
https://www.nasa.gov/mission_pages/kepler/multimedia/images/kepler-47-art.html
https://svs.gsfc.nasa.gov/30710
https://svs.gsfc.nasa.gov/4601
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