Complete the paragraph to describe the characteristics of the Sun and Rigel, a blue-white supergiant.
Rigel and the Sun have similar characteristics, but they also differ in some ways. Rigel and the Sun are spheres of gas that use nuclear fusion to produce energy. Rigel is
the Sun. Rigel has
the Sun. Rigel has a surface temperature of about
.
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Complete the paragraph to describe the characteristics of the Sun and Rigel, a blue-white supergiant...
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