1
Q
the scientific study of the universe
A
astronomy
2
Q
collection of stars, dust, and gas bound together by gravity
A
galaxy
3
Q
the study of the origin, properties, and evolution of the universe
A
cosmology
4
Q
home of our solar system
A
Milky Way Galaxy
5
Q
scientists who study the universe
A
astronomers
6
Q
average distance between Earth and the sun (approx. 150mil km)
A
astronomical unit (AU)
7
Q
the distance light travels in one year (9.46x10^12km)
A
light-year
8
Q
all of the frequencies or wavelengths of electromagnetic radiation
A
electromagnetic spectrum
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
Earth Science (9th)
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