Stars

Algol (Beta Persei), known informally as the Demon Star, is a triple star system in which the components are designated Beta Persei Aa1, Aa2, and Ab, respectively. The Algol system is not only the first, …

Mirfak (Alpha Persei) is a yellow supergiant located about 510 light years away in the constellation of Perseus that is about sixty times bigger than our sun. It is the most luminous star in the …

The Sun really does not need an introduction, except to say that it is not yellow, but pure white, and that it is not an average star. In fact, there are no average stars, as …

Alpheratz (Alpha Andromedae) is the brightest star in the constellation Andromeda with an apparent visual magnitude of +2.06, which also makes it the 54th brightest star in the night sky. While this binary system properly …

Enif (Epsilon Pegasi) is a massive, highly evolved orange giant, and the brightest star in the constellation Pegasus with an apparent visual magnitude of +2.4. It is also the 81st brightest star in the entire …

Look at the night sky and most stars appear to be little more than points of white light. Look more carefully, however, and differences begin to emerge. Some stars have a noticeably warm orange or …

Since there is no single definition of yellow giant stars, the best way to describe them is to say that they have either a F or G spectral classification, and a mass of between 0.5 …

Deneb Algedi (Delta Capricorni) is a binary system in the zodiac constellation Capricornus which has a combined apparent magnitude of +2.81, making it the brightest star in the constellation. Located about 39 light years away …