The luminosity of the star Aldebaran is 520 times that of the Sun. The wavelength of light
Question:
The luminosity of the star Aldebaran is 520 times that of the Sun. The wavelength of light at peak intensity for Aldebaran is 740 nm and the wavelength of light at peak intensity for the Sun is 500 nm.
a. Explain whether Aldebaran is cooler or hotter than the Sun.
b. Calculate the ratio:
Radius of Aldebaran / Radius of the Sun.
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Related Book For 
Cambridge International AS And A Level Physics Coursebook
ISBN: 9781108859035
3rd Edition
Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside
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