Characteristics of Stars

Front

Parallax is used to determine a star’s

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distance from Earth.

Front

Characteristics used to classify stars include: distance, size, and color; size, distance, and brightness; color, brightness, and distance; size, brightness, and temperature.

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size, brightness, and temperature.

Front

What color are the coolest stars?

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red

Front

The absolute brightness of a star depends on its: distance and temperature, size and temperature, color and temperature, distance and color.

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size and temperature.

Front

The Hertzsprung-Russell diagram shows that main-sequence stars

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increase in brightness as they increase in temperature.

Front

Astronomers typically measure distances to stars in units called

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light-years.

Front

The brightness of a star as seen from Earth is its 

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apparent brightness.

Front

Gravity plays an important role in forming _____________, stars, and planets.

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solar systems

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The brightness the star would have if it were a standard distance from earth.

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Absolute Brightness

Front

What color of star is the hottest?

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Blue