Question 28.Q-Q.1: Figure 28.6 shows two stars in the constellation Orion. Bete...

Figure 28.6 shows two stars in the constellation Orion. Betelgeuse appears to glow red, whereas Rigel looks blue in color. Which star has a higher surface temperature? (a) Betelgeuse (b) Rigel (c) both have the same surface temperature (d) impossible to determine

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(b). A very hot star has a peak in the blackbody intensity distribution curve at wavelengths shorter than the visible. As a result, more blue light is emitted than red light.

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