Planets Question Preview (ID: 11288)
Chapter 3.
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The Sun produces energy by
a) nuclear fusion
b) attracting it with the force of gravity
c) burning fuels such as oil
d) nuclear fission
What shape are the orbits of most comets?
a) long, narrow ellipses
b) spherical
c) nearly circular ellipses
d) circles
When a meteoroid enters Earth's atmosphere, it produces a streak of light called a(n)
a) meteor
b) comet
c) meteorite
d) asteroid
The fact that each planet's orbit is an ellipse was discovered by
a) Kepler
b) Galileo
c) Copernicus
d) Brahe
A stream of particles that extends outward from the sun's corona is called
a) solar wind
b) a sunspot
c) prominence
d) chromosphere
A(n) ________________________ is a loose collection of ice, dust, and small rocky particles that typically has a long, narrow orbit
a) comet
b) planet
c) meteoroid
d) asteroid
In a heliocentric system, Earth revolves around
a) the sun
b) Mars
c) the stars
d) the moon
The Great Red Spot is a huge storm on
a) Jupiter
b) Mercury
c) Neptune
d) Saturn
Most asteroids orbit the sun
a) between Mars and Jupiter
b) between Neptune and Pluto
c) beyond Pluto\'s orbit
d) between the sun and Mercury
A doughnut-shaped region that extends from beyond Neptune's orbit to about 100 times Earth's distance from the sun is the
a) Kuiper belt
b) heliocentric system
c) Asteroid belt
d) Oort cloud
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