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Use the HR diagram below to answer the question. Which of the following star types is the brightest? (2 points)

Which of the following types of stars started out on the main sequence with the largest initial mass? (2 points)

Which of the following is a star that has begun to run out of fuel? (2 points)

Given the following images, choose the one that most likely represents an M-class star. (2 points)

The temperature of a star is recorded to be 17,000 degrees Kelvin. What color is the star likely? (2 points)

Use the HR diagram below to answer the question. Which of the following types of stars had a greater initial mass? (2 points)

Which of the following characteristics of stars primarily determines a star’s color? (2 points)

Which of the following is used to calculate the distance to a star based on subtle shifts in the star’s position relative to an observer on Earth? (2 points)

When nuclear fusion begins, what can be said about the internal processes within that star? (2 points)

Use the HR diagram below to answer the question. What can be concluded about the initial mass of a blue main sequence star compared to a red main sequence star? (2 points)