Now known as the Hertzsprung-Russell diagram, this shows most stars sticking close to a long, ... The Sun is very much a main sequence star, in the G-type category (G2V to be precise).

H-R Diagram of media stars. By Phil Plait. July 27, 2010 12:00 PM. Tweet Share Share Comment Tweet Share Share Comment Graphing variables is a critical skill in science. If ...

The only place that's likely to happen is at the very center of our galaxy. And, for a while, there was an excess of ...

While main sequence stars trace a diagonal line on the H-R diagram, red giant stars create a horizontal line in varying shades of red. This is called the red giant branch.

But to study the evolution of stars and their life cycles, astronomers use another technique: the Hertzsprung-Russell diagram. ... T Tauri stars, main sequence stars, red giants, red dwarfs, ...