Chapter 27 - Astronomy Flashcards

0
Q

The colour of the hottest star is

A

Blue

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1
Q

In the majority of stars, the most common element is

A

Hydrogen

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2
Q

Stars appear to move in circular paths around Polaris because

A

The earth rotates on its axis

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3
Q

The change in position of a nearby star compared with the position of a faraway star is called a

A

Parallax

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4
Q

The absolute magnitude of a star is

A

The true brightness of a star

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6
Q

A main sequence star generates energy by fusing

A

Hydrogen into helium

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7
Q

Black holes are difficult to locate because they

A

Do not give off light

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8
Q

A pattern of stars is called a

A

Constellation

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9
Q

Stars appear in fixed locations in the sky because

A

They are so far from the earth

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10
Q

The basic types of galaxies are

A

Spiral, elliptical and irregular

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11
Q

A prostatic becomes a star when it begins to

A

Generate energy

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