Astronomy: Question Preview (ID: 15343)

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Earth is unique because
a) it is the only known planet to support life
b) it is so large
c) it has green plants
d) it has land and oceans

Small, rocky objects that orbit the Sun
a) meteoroid
b) comet
c) satellites
d) meteorite

A ball of ice and rock that orbits the Sun
a) comet
b) star
c) meteor
d) meteorite

An extremely bright, distant high energy source
a) quasar
b) galaxy
c) star
d) no correct answer given

A group of stars that appear to form a pattern
a) constellation
b) galaxy
c) Uranus
d) Pluto

An enormous ball of gas and dust
a) nebula
b) main sequence star
c) Sun
d) planet

a large group of stars held together by gravity
a) constellation
b) galaxy
c) no correct answer given
d) planet

How bright a star actually is
a) absolute magnitude
b) apparent magnitude
c) parallax
d) no correct answer given

The star with the hottest surface temperature
a) blue-white
b) yellow
c) red
d) orange

The star with the coolest surface temperature
a) red
b) blue-white
c) orange
d) yellow

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