Planets Test: Question Preview (ID: 30539)

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The Milky Way galaxy is shaped like a sphere.
a) True
b) False

All galaxies are approximately the same size.
a) True
b) False

One complete revolution of Earth moving around the Sun takes one month.
a) True
b) False

At an equinox, the area of Earth lit by sunlight is at a maximum in one hemisphere and at a minimum in the other hemisphere.
a) True
b) False

Venus, Earth, Mars, and Jupiter are the terrestrial planets.
a) True
b) False

Saturn is only a little smaller than Jupiter, but it has less than one-third of Jupiter's mass. Thus, Saturn's density is less than that of Jupiter.
a) True
b) False

What is the correct arrangement of these structures from largest to smallest?
a) universe, solar system, galaxy
b) universe, galaxy, solar system
c) solar system, universe, galaxy
d) galaxy, solar system, Earth, universe

An AU is the average distance between
a) Pluto and the Sun
b) Pluto and Mercury
c) Earth and the Sun
d) Earth and its Moon

Which of the following lists some of the objects in the solar system from smallest to largest?
a) asteroid, Earth, Sun
b) Sun, asteroid, Earth
c) Earth, asteroid, Sun
d) Earth, Sun, asteroid

How would you describe the orbits of the planets, asteroids, and comets?
a) They form spheres within spheres around the sun
b) All are long, oval ellipses, each in a different plane
c) All form perfect circles around their centers.
d) All are ellipses, some more flattened than others

Pluto's orbit is unusual in that Pluto
a) has an orbit centered on its own moon, Charon
b) has an orbit that is less round than that of other planets
c) sometimes leaves the solar system
d) does not follow an elliptical path

A meteorite is
a) a small meteor
b) a meteor-like space object
c) a streak of light from a falling object
d) a fallen space object on Earth's surface

The atmosphere of a gas giant is
a) shallow and clear
b) deep and clear
c) shallow, with many clouds
d) deep, with many clouds

A brief streak of light from a falling space object is a
a) meteor
b) meteorite
c) lightning bolt
d) coma

Venus has a more uniform surface temperature than other terrestrial planets because of its
a) dense atmosphere
b) many volcanoes
c) circular orbit
d) large oceans

Which is the correct order of the planets?
a) Venus, Mars, Saturn, Neptune, Uranus
b) Mercury, Mars, Saturn, Uranus, Pluto
c) Venus, Mercury, Earth, Mars, Jupiter
d) Jupiter, Neptune, Mercury, Pluto, Uranus

This theory states that the universe began with a huge fiery explosion about 12 to 15 billion years ago.
a) Explosion Theory
b) Doppler Theory
c) Big Bang Theory
d) Collision of the Universe Theory

This is the second largest planet in the Solar System.
a) Jupiter
b) Uranus
c) Venus
d) Saturn

This planet has the largest known volcano names Olympus Mons
a) Mars
b) Saturn
c) Jupiter
d) Venus

This planet has the largest storm in the solar system that has been raging for over 300 years.
a) Venus
b) Jupiter
c) Mars
d) Saturn

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