Castor B, which is around 370 million years old, is made up of a white main-sequence star, Castor Ba, which is orbited by the red dwarf Castor Bb every 2.9 Earth days.

But Castor is the real "star" of Gemini. Although it appears as a single star with the unaided eye, it is actually a system of six stars. In a telescope we see two, Castor A and B.

This week, a remarkable celestial alignment will occur in the western sky, providing an exciting opportunity for stargazers. According toSpace.com, Mercury, the Moon, and the Gemini twins (Pollux and ...

Welcome to the 214th edition of Storm Team 6 Starwatch. This is a blog that will be updated every Friday and will list events happening in the sky. Friday, June 7th 2024 – Sunday, June 9th 20… ...