Science, Maths & Technology
The colour of stars
...Data identifying many well known stars in the Milky Way galaxy] Hertzsprung-Russel Diagram identifying many well known stars in the Milky Way galaxy. The Sun, being fairly average, sits near the middle of the main sequence. More massive, larger stars, are more luminous, and also hotter (and therefore bluer). They sit near the top of the main sequence and are known as blue...