Which answer choice means “hard”?

An astronomer see a star that is very far away but still very bright. What can she conclude about the star? (2 points)

The temperature of a star is recorded to be 3,700 degrees Kelvin. What color is the star most likely? (2 points)

Which answer choice means “false”?

Which of the following is a small star that has reached the end of its stellar evolution? (2 points)

A star has a spectrum shift exhibiting a red shift. What can you conclude about the distance from Earth to that star? (2 points)

Which of the following is an advantage of using parallax rather than the Doppler effect to determine star distance? (2 points)

Given the following images, choose the one that most likely represents an M-class star. (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 is a massive star that has reached the end of its stellar evolution? (2 points)