WordRel.com
planetary nebula
Noun
a nebula that was once thought to be a star with its planets but is now thought to be a very hot star surrounded by an expanding envelope of ionized gases that emit a fluorescent glow because of intense radiation from the star
hypernym
nebula
planetary nebula vs nebula
© WordRel.com 2024,
CC-BY 4.0
/
CC-BY-SA 3.0
.
Details