Astronomy-The Inner Planets Question Preview (ID: 9422)


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The sky on Mercury will look
a) black since it has no atmosphere
b) grey since it reflects the surface
c) red because of the iron oxide dust
d) yellow because of the sulfuric acid in its clouds

Olympus Mons and the Valles Marineris are both geologic features on which inner planet?
a) Mercury
b) Venus
c) Earth
d) Mars

The only inner planet that currently has water on its surface is
a) Mercury
b) Venus
c) Earth
d) Mars

The smallest of the inner planets is
a) Mercury
b) Venus
c) Earth
d) Mars

What caused Mercury to lose its atmosphere?
a) the solar wind
b) a gas explosion from the core
c) it's strong gravity
d) heat from the Sun

The only inner planets with moons are
a) Mercury and Venus
b) Mars and Venus
c) Mercury and Earth
d) Earth and Mars

The largest of the inner planets is
a) Mercury
b) Mars
c) Earth
d) Venus

The inner planet with the hottest average temperature is
a) Mercury
b) Mars
c) Earth
d) Venus

The correct order for the four inner planets (starting with the one closest to the Sun) is
a) Mercury, Venus, Earth, Mars
b) Venus, Mars, Earth, Mercury
c) Earth, Mercury, Venus, Mars
d) Mars, Earth, Venus, Mercury

Earth is protected from the solar wind by
a) its electromagnetic field
b) its clouds
c) its large mass
d) its revolution around the sun

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