The Star Alpha Centauri a Is the Same Type of Star

question 32

Multiple Choice

The star Alpha Centauri A is the same type of star as the Sun, but its luminosity is about 1.6 times that of the Sun. What can we conclude?

• A) Alpha Centauri A fuses hydrogen into helium in its core at a higher rate than our Sun.
• B) Alpha Centauri A has a much higher surface temperature than the Sun.
• C) Alpha Centauri A is much farther from Earth than the Sun.
• D) Alpha Centauri A must have a vastly different interior structure than the Sun.

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