Blue or blue-white
White
Yellow
Red-orange
Red
Brightness
Supergiants...
Chemistry, 03.02.2021 20:00 bellamuniz2015p23zr7
Blue or blue-white
White
Yellow
Red-orange
Red
Brightness
Supergiants
Rigel
Deneb
Betelgeuse
Zeta
North Star (Polaris)
Erldani
Antares
• Spica
Canopus
Main sequence
Algol
Regulus
Aldebaran
Capella
Mira
Vega
Mizar
Arcturus
Sirius
Giants
Procyon
Pollux
Altair
Alcor
Sun
Alpha Centauri A
Tau ceti
Alpha Centauri B
M
Sirius B
Epsilon Eridoni
Increasing
Barnard's star
White dwarts
• Procyon 8
• Van Maanen's star
10,000 6,000
5,000
Surface Temperature (°C)
50,000
20,000
3,000
1. Describe the characteristics of Zeta Eridani in terms of heat, brightness, and the group it
belongs to.
2. Which is hotter, Sirius B or the North Star (Polaris)?
3. Which is brighter White Dwarfs or Giants?
Answers: 3
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