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Regulus

Regulus

2 8.6
A very bright star in the Leo group that you can see at night
  • proper noun
  • /ˈrɛɡjələs/
translation icon : Regulus
  • For the Leonids, the radiant will be in the sickle of the constellation Leo (hence the name "Leonids"), near the bright star Regulus.
  • Regulus, the brightest star
  • Regulus, the brightest

What's weird is Regulus is in the Leo constellation.

Examples

  • On clear nights, Regulus shines brightly as the standout star in the constellation Leo.

  • What's weird is Regulus is in the Leo constellation.

  • Don't miss Venus pass very close to the star Regulus on the morning of October 3.

    Blog text (2)
  • Look for it roughly 5 degrees northwest of Leo's 1st-magnitude star, Regulus.

    Academic text (2006)
  • Saturn lies among the background stars of Leo, not far west of that constellation's brightest star, Regulus.

    Academic text (2006)
  • Regulus, the brightest star in Leo and just slightly fainter than Saturn, lies 5 from the pair.

    Academic text (2007)
  • But Regulus, the star, the heart of the lion Leo, is a young, bright, B-type star that rotates so rapidly that it is virtually tearing itself apart.

    Academic text (2007)
  • October 14-17: Located just below Regulus before dawn on the 14th, the waning crescent moon gets closer to the horizon as it grows progressively thinner each morning.

    Academic text (1990)
  • Astronomers often refer to Regulus as the heart of the Lion in the night sky.

  • During the month of April, you can easily spot Regulus near Jupiter in the evening sky.

Compounds

genus Regulus
  • Specialized
9.9

A group of very small birds called kinglets found across Europe, Asia, and North America

Regulus calendula
  • Specialized
9.9

A very small North American bird whose male has a red patch on the top of the head and sings

Regulus regulus
  • Specialized
9.3

A very small European bird with a bright yellow patch on its head and a black edge

Surface Forms

Regulus main

Etymology

Regulus comes from the Latin regulus, meaning 'little king', and from rex 'king'. Because it is the brightest star in the lion, the constellation Leo, ancient sky-watchers called it a royal or leading star, so the name fits its bright, king-like role in the sky.