Word:

planetary nebula

Noun1.planetary nebulaplanetary nebula - 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
nebula
Translate planetary nebula to Spanish, Translate planetary nebula to French
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plane-tree family
planeness
Planer
Planer centers
Planer tree
Planera
Planet
planet gear
planet wheel
Planet-stricken
planetal
Planetarium
Planetary
Planetary days
planetary gear
planetary house
-- planetary nebula --
Planetary precession
Planeted
planetesimal
planetesimal hypothesis
Planetic
Planetoid
Planetoidal
Planetule
Plangency
Plangent
Plani-
Planifolious
Planiform
Planimeter
Planimetric
Planimetry
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