Stellar Spectra And Evolution Worksheets 2Presentation Transcript
Betelgeuse D = 430 ly ST = M2 Red Supergiant Saiph D = 720 ly ST = B1 Blue-white Supergiant Bellatrix D = 240 ly ST = B2 Blue-white Giant Rigel D = 770 ly ST = B8 Blue-white Supergiant The Stars of Orion Find the approximate temperature for each star from its spectral class. Using Wien’s law find the peak wavelength at which each star is emitting.
M100 Orion Nebula Crab Nebula Cas A RCW 103 Betelgeuse
M100 Orion Nebula Helix Nebula Red Rectangle M4 Mira
M100 Orion Nebula Crab Nebula Cas A Cygnus X-1 Betelgeuse