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the brightness of a star

The brightness of a star depends on how much light is released by the star and how far the star is from Earth. There are two
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A variable star is one whose brightness alternately increases and decreases. For one such star, the time between periods of
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2. asked by TayB
3. 759 views
A variable star is one whose brightness alternately increases and decreases. For one such star, the time between periods of
1. 2 answers
2. asked by TayB
3. 3,111 views
What do the absorption lines tell us about a star?(1 point)Responses The temperature of the star. The temperature of the star.
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Complete the following sentence by placing the correct word into the box brightness of a star depends on how much light is
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2. 175 views
Magnitude is used to show the brightness of one object compared with the brightness of another object with the ____ magnitude of
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2. asked by Blue
3. 82 views
The current stage of life of a star is found through a combination of what following characteristics of the star?A. Size (or
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2. 34 views
A variable star is one whose brightness alternately increases and decreases.For the variable star Delta Cephei, the time between
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2. asked by Jo
3. 1,140 views
What does the H-R diagram represent?(1 point) Responses a star’s size and distance from the Sun. a star’s size and distance
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2. 31 views
Magnitude means brightness. Absolute magnitude tells us how bright a star is. What is the brightness of a blue star in the upper
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2. asked by Alto Saxaphone
3. 19 views