Star Color and Temperature
IGCSE Edexcel Physics
8.7-8.8 Star Color and Temperature
Key Concepts:
Star color indicates temperature. Blue stars are hotter than red stars.
Section A: Concepts
1. State which is hotter: a red star or a blue star.
[1]
2. Explain how star color is related to temperature.
[2]
Total marks: 3
Mark Scheme
1.
Blue star [1]
2.
Higher temperature means bluer color; cooler stars are redder [2]