Thus the colour-magnitude diagram serves as a much more convenient alternative to the H-R diagram now a days. ... Draw a neat sketch of the Hertzsprung-Russell (H-R) diagram showing the positions of a (a) the main sequence stars withanbsp;...
|Title||:||An Introduction to Astrophysics|
|Publisher||:||PHI Learning Pvt. Ltd. - 2003-02-01|