Which types of stars are MOST likely to increase in brightness as they increase in temperature?

Our Sun is one of the many stars that has been classified as average because its absolute magnitude and its temperature place it on the ____ area of the H-R diagram.

Stars appear to be blue, white, yellow, and red, even without the aid of a telescope. What causes the different colors of the stars?

Which of these can be described as a system of stars, gases, dust, and other matter that orbits a common center of gravity?

Which statement about stars is not accurate?

Which of these are scientific classifications for galaxies in the universe?

A student is asked to compare the general characteristics of a red star and a blue star. What factual statement can the student make based solely on the color of the two stars?

Students are studying the classifications of stars and they learned that the majority of stars are similar to the Sun. What can the students conclude knowing that most of the stars in the galaxy are like the Sun?

Which list is correctly ordered from smallest to largest?

A student learns that the sun is classified as a medium-size star and that many stars are much bigger and brighter. However, the student observes that other stars look very dim. Why do other stars look much dimmer than the sun?

A satellite detected a small, bright object with a fan-shaped tail. What type of object were astronomers most likely observing?

Scientists recently discovered a giant runaway star. It is 90 times larger than the sun and is very hot and blue-white in color. Why does the sun appear to be brighter than this runaway star when viewed from Earth?

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