Related Clues:
- Spectacular stars
- Heavenly explosions
- Astronomical bursts
- Telescopist's sightings
- Astronomers' sightings
- Incredibly intense stars
- Stars that flare up, then fade
- Cosmic bursts
- Flaring stars
- Celestial flareups
- Explosions in the sky
- Stellar blasts
- Sudden brightenings of stars
- Space flare-ups
- Stars whose brightness suddenly increases before gradually fading