Jerome notices that two stars appear to have the same brightness. He knows that one of the stars is much farther away than the other. What could he conclude about the two stars?
A stars' brightness or luminosity can be explained by its...
The difference in the brightness of two stars with the same surface temperature is
Compared to other stars, the Sun is __________ in size, brightness and temperature
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?
If you view stars in March, will the stars be in the same location in the night sky in October? Explain.
Observed patterns of stars that people use to mark the positions of stars in the sky
Scientists use the light-year to describe the relationships between objects in space. What does a light-year measure?
A light year is the ________ that light travels in one year.
Which of the following is NOT a factor that controls the apparent brightness of a star?
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