Associations to the word «Protoplanet»
Noun
Adjective
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Wiktionary
PROTOPLANET, noun. An astronomical object, approximately the size of the Moon, formed from the mutual gravitational attraction of planetesimals; they are thought to collide with each other and slowly form planets
Wise words
Every once in a while, you let a word or phrase out and you
want to catch it and bring it back. You can't do that. It's
gone, gone forever.