Pollux

Identifying Pollux in the Night Sky

Pollux, also known as Beta Geminorum, is the brightest star in the constellation of Gemini and the 18th brightest star in the evening sky. It is easily identifiable due to its tint, which is slightly red or orange. The star is located about 34 light-years away from the Earth, making it one of the closest to us.

For identifying Pollux:

  • Firstly, you need to locate the brilliant star, Sirius.
  • Locate the three stars in Orion’s Belt.
  • Extend a line from Orion’s Belt through Sirius and continue it until you spot a pair of bright stars.
  • That pair is none other than Pollux and its twin, Castor.

Pollux’s Physical Properties

Known as a giant star, Pollux has an estimated radius about nine times the Sun. Its high temperature gives it the typical orange hue associated with stars of this class.

  • Its mass is almost two times that of the Sun.
  • The surface temperature has been recorded at approximately 4,770 Kelvin.
  • It’s luminosity is 46 times the Sun’s.

Akin Bonds with Castor

In Greek mythology, Pollux and Castor are referred to as the Heavenly Twins. They’re depicted as two brothers with different fathers; with Zeus as the divine father of Pollux and Tyndareus, the King of Sparta, as the mortal father of Castor.

Pollux: A Spectroscopic Interest

To astronomers and astrophysicists, Pollux presents a particular interest. Confirmation of its single lined spectroscopic binary status came relatively recently, in 1993. It is known to have at least one exoplanet orbiting it, known as Pollux b.

As one of the brightest stars in the night sky, Pollux’s popularity isn’t confined to astronomy. References to it can be found across different spheres of popular culture.

For instance, in the Star Trek universe, Pollux serves as the destination in the classic video game Star Trek: The Original Series game book.

Puzzling and Provoking Facts about Pollux

Frequently asked questions about Pollux

Why is Pollux sometimes called Herculis?

Historically, Pollux and its neighboring star, Castor, were both referred to as Herculis. This term was given by Roman author and philosopher Pliny the Elder.

Is Pollux visible all year round?

Pollux is visible in most parts of the world from November to April. However, its visibility depends on the viewer’s location and local weather conditions.

What is the color of Pollux?

Pollux appears slightly orange or red to the naked eye. This is because it’s classified as a K0 type star that characteristically emits this colored light.

As you embark on your stargazing journey, remember to take your observations calmly and patiently. Identifying stars is a delightful hobby that takes time to master. You never know what splendid sights you might encounter in the limitless expanse of the universe.

Article updated at Tuesday, October 8, 2024

Enrique Aparicio

This is Enrique, an impassioned Astronomy enthusiast set on sharing her love for the cosmos. He weaves her fascination for the celestial world into enlightening and engaging narratives. Join his journey of discovery on his blog as she explores the vast, star-filled marvels of the universe.

Enrique Aparicio Arias