| BSTAR | Regulus A or Bellatrix, to an astronomer |
| BSTARS | Regulus A and Bellatrix |
| STAR | Sirius or Bellatrix |
| GIANTSTAR | Arcturus, Aldebaran, or Bellatrix |
| KSTAR | Arcturus or Aldebaran, to an astronomer |
| EON | One billion years, to an astronomer |
| OHMYSTARS | "Shocking!," to an astronomer? |
| DOGSTAR | To an astronomer, does it look like Pluto? (3,4) |
| ALLSTARFORECAST | "Clear skies tonight," to an astronomer? |
| STARGAZER | A fragrant Oriental lily; a fish with upward-looking oculi; an astronomer or astrologer; a daydreamer; or, a horse that carries its head towards the sky when galloping (9) |
| LEO | Astrological sign representing a lion; a constellation containing Regulus the "little king"; or, a name for the aforesaid cat, used in children's fables and tales (3) |
| GOLDCREST | Name of a kinglet and Europe's smallest avian whose genus, Regulus, means "little king" or "prince" and refers to its crown (9) |
| HALLEY | Hard way to become an astronomer |
| SKY | What an astronomer points a telescope at |
| PERNICIOUS | Evil company's left an astronomer orbiting a moon |
| STARGAZING | Failing to pay attention, as an astronomer might be (10) |
| TELESCOPE | An astronomer uses this to look at stars |
| METEORIC | Like an astronomer's rise to fame? (8) |
| ORDER | Harry Potter And The _ Of The Phoenix, first in the series to star 8A as Bellatrix Lestrange (5) |
| ORION | Site of Rigel and Bellatrix |