cm0002@lemmy.world to Astronomy@mander.xyz · 13 天前Most Planets in the Cosmos Probably Don’t Orbit Starswww.scientificamerican.comexternal-linkmessage-square9fedilinkarrow-up146arrow-down12
arrow-up144arrow-down1external-linkMost Planets in the Cosmos Probably Don’t Orbit Starswww.scientificamerican.comcm0002@lemmy.world to Astronomy@mander.xyz · 13 天前message-square9fedilink
minus-squarevery_well_lost@lemmy.worldlinkfedilinkEnglisharrow-up6·13 天前The modern definition of “planet” only includes things that orbit the sun. Honestly, the IAU’s definition of a planet is pretty useless.
The modern definition of “planet” only includes things that orbit the sun.
Honestly, the IAU’s definition of a planet is pretty useless.