Astronomy Flashcards

(19 cards)

1
Q

What tool do astronomers use to explore the universe?

A

Telescope

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2
Q

What type of telescope did Galileo make?

A

Refracting telescope

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3
Q

What is one of 88 regions of the sky; pattern or design made by a group of stars?

A

Constellation

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4
Q

What is a smaller pattern of stars within a constellation?

A

Asterism

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5
Q

What is another name for the North Star?

A

Polarious

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6
Q

What is a huge collection of stars, dust and gas?

A

Galaxy

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7
Q

What is a large cloud of dust that can be seen in a galaxy?

A

Nebula

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8
Q

What is the first stage in the lifecycle of a star?

A

Protostar

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9
Q

Which three things determine what stars are visible in the night sky?

A

Location, time of year and time of night

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10
Q

What causes the stars and constellations to appear to move across the sky each night?

A

The earth rotating on its axis

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11
Q

What is an example of a main sequence star

A

Sun

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12
Q

What is an example of an asterism?

A

Big Dipper

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13
Q

What is an example of a galaxy.

A

Milky Way or whirlpool

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14
Q

What is an example of a constellation?

A

Ursa Minor

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15
Q

What are three types of galaxies.

A

Your irregular, spiral, and elliptical

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16
Q

What is the name and shape of our galaxy?

A

Milky Way and spiral

17
Q

What are the stages in the lifecycle of a low mass main sequence star?

A

Protostar, low mass main sequence star, red giant, white dwarf, black dwarf

18
Q

What is the stages in the lifecycle of a high mass main sequence star?

A

Protostar, high mass main sequence star, red supergiant, supernova, black hole / neutron star

19
Q

What is the study of the universe?