Assertion: terrestrial planet's star | /r/CapableOf | undergo fusion
Facets:
Source sentences:
text: When 51 Pegasi b, the first planet found around a star still undergoing fusion, was discovered, many astronomers assumed it to be a gigantic terrestrial,[citation needed] because it was assumed no gas giant could exist as close to its star (0.052 AU) as 51 Pegasi b did.
text: It refers to a star that's still undergoing fusion (as opposed to stars that have burned out).
text: Also, given that "star still undergoing fusion" is used in the paragraph before the one containing "fusing star", I'd think its meaning would be obvious enough from context even if one had trouble seeing what "fusing star" meant in isolation.
text: When 51 Pegasi b, the first planet found around a star still undergoing fusion, was discovered, many astronomers assumed it to be a gigantic terrestrial,[citation needed] because it was assumed no gas giant could exist as close to its star (0.052 AU) as 51 Pegasi b did.
text: When 51 Pegasi b, the first planet found around a star still undergoing fusion, was discovered, many astronomers assumed it must be a gigantic terrestrial, as it was assumed no gas giant could exist as close to its star (0.052 AU) as 51 Pegasi b did.