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Earth Science (9th) > Chapter 26 > Flashcards

Chapter 26 Flashcards

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Biology 101 flashcards
1
Q

the scientific study of the universe

A

astronomy

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2
Q

collection of stars, dust, and gas bound together by gravity

A

galaxy

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3
Q

the study of the origin, properties, and evolution of the universe

A

cosmology

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4
Q

home of our solar system

A

Milky Way Galaxy

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5
Q

scientists who study the universe

A

astronomers

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6
Q

average distance between Earth and the sun (approx. 150mil km)

A

astronomical unit (AU)

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7
Q

the distance light travels in one year (9.46x10^12km)

A

light-year

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8
Q

all of the frequencies or wavelengths of electromagnetic radiation

A

electromagnetic spectrum

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9
Q

What are the waves from longest to shortest on the electromagnetic spectrum?

A

radio waves, microwaves, infrared, visible light, ultraviolet, x rays, gamma

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Earth Science (9th) (14 decks)

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