The Tall Astronomer.

Month: October 2014

  • H-R Diagrams

    H-R Diagrams

    I described stars in my last post and I talked about two that are different colours; Rigel and Betelgeuse in the constellation of Orion. Rigel is a blue super giant and Betelgeuse is a red super giant but what is the Sun, how do we classify stars as super giants and what other types of…