Answer: NOVAE

AnswerCrossword Clue
NOVAEAstronomical flare-ups
NOVAEThese blaze, then grow dimmer
NOVAEBright stars that fade
NOVAEExceptionally bright stars
NOVAEEphemerally brilliant stars
NOVAESome are super
NOVAEAstronomical flareups
NOVAEBursting stars
NOVAEThey may be super
NOVAEPhenomena associated with some dwarfs
NOVAEBright spots in the sky
NOVAEStars bursting in air?
NOVAEAstronomy wonders
NOVAEBrightening stars
NOVAEAstronomy phenomena
NOVAEStellar stars
NOVAEBriefly brilliant stars
NOVAEStars that increase in brightness, then fade
NOVAEStars that brighten then fade
NOVAEMilky Way phenomena (Var.)
NOVAEStarbursts
NOVAEHeavenly bodies
NOVAEStars
NOVAEStars that flare
NOVAEBriefly brilliant orbs
NOVAESuperstars?
NOVAESudden superstars
NOVAEPop stars?
NOVAEAstronomers' sightings
novaeNOVA, a type of star
novaestar that suddenly becomes much brighter, then gradually fades
novaea star that suddenly increases its light output tremendously and then fades away to its former obscurity in a few months or years
NOVAEStar bursts
NOVAEStellar spouters
NOVAEThe brightest stars
NOVAEStars that burst
NOVAEExploding stars
NOVAECosmic explosions
NOVAECosmic spectacles
NOVAEAstronomical dazzlers