The Life and Death of Stars

Question 1

Stars are held together by

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gravitational forces.

Question 2

What is the upper temperature range for stars?

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40,000 K

Question 3

The composition of stars can be determined by examining their colors.

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F

Question 4

The surface temperature of a star can be estimated based on the star’s

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color.

Question 5

What color does the star Alpha Centauri appear to be?

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Yellow-white

Question 6

A white dwarf.is a large star capable of fusing elements.

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F

Question 7

In stars, energy is produced primarily as hydrogen atoms are combined to form

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helium atoms.

Question 8

Not including the sun, the closest stars to Earth are

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4.3 light-years away.

Question 9

Extremely high temperatures and pressures are necessary for fusion reactions to take place in stars.

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T

Question 10

A light-year is a unit of

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distance.

The Life and Death of Stars Answers