Ultracool dwarfs: new spectral types l and t
Éditeur :
Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
ISBN :
9783642626821
Date de publication :
7 nov. 2012
Dimensions :
23,5 x 15,5 cm
Langue :
Anglais
Pays d'origine :
Allemagne
Once you have looked at the night sky on a moonless night it is not hard to realise why so much of our science and religion has its roots in the stars. In the early years of the 20th century Hertzsprung and Russell developed a powerful classification diagram which al lows stars to be distinguished using a plot of their colour versus magnitude.