![supernovae造句怎么写]( "supernovae造句怎么写")
- Theinfraredbrightnessofthegalaxiesallowedtheteamtoestimatehowmanysupernovaeshouldoccur.Pulsarsarethedensecoresleftoverafterstarsofacertainmassexplodeintosupernovae.Eversinceastronomersdiscoveredthatsupernovamorethan50yearsago,theyhavebeensearchingfor...
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