The Solar System Question Preview (ID: 18991)
Astronomy And Space Chapter 3.
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In a heliocentric system, Earth revolves around
a) Mars
b) the stars
c) the moon
d) the sun
The fact the each planet's orbit is an ellipse was discovered by
a) Copernicus
b) Kepler
c) Galileo
d) Brahe
Small asteroid-like bodies that became the building blocks for the planets
a) planetesimals
b) comets
c) meteoroids
d) open clusters
What layer are you looking at when you look at an image of the sun?
a) photosphere
b) chromosphere
c) corona
d) prominence
The solar wind is a stream of electrically charged particles that extend outward from the sun’s ________.
a) chromosphere.
b) photosphere
c) corona
d) core
What do the four outer planets have in common?
a) They are much larger than Earth and are made mainly of hydrogen and helium.
b) They are about the same size as Earth and are made mainly of hydrogen and helium.
c) They are much larger than Earth and are made mainly of iron.
d) They are about the same size as Earth and are made mainly of iron.
What do all of the inner planets have in common?
a) They all have rings.
b) They all have abundant liquid water.
c) They all have many moons.
d) They all are small and have rocky surfaces.
Most ancient astronomers thought that all celestial objects revolved around
a) sun
b) Earth
c) each other
d) stars
The _________________________ consists of the sun, eight planets and their moons, and several kinds of smaller objects.
a) solar system
b) core
c) milky way
d) asteroid belt
Jupiter’s Great Red Spot is a(n) _________________________ larger than Earth.
a) sun spot
b) moon
c) storm
d) birth mark
A meteoroid that hits Earth’s surface is called a(n) ____________________.
a) comet
b) meteorite
c) shooting star
d) crater
Which set of planets are in the correct order?
a) Mercury, Venus, Jupiter, Saturn, Mars, Earth Uranus, Neptune
b) Mercury Venus, Saturn, Mars, Earth, Uranus, Jupiter, Uranus, Neptune
c) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
d) Venus, Mercury, Mars, Earth, Jupiter, Saturn, Neptune, Uranus
The region of the solar system between Mars and Jupiter is the
a) asteroid belt
b) milky way
c) big dipper
d) planet cloud
_________ are loose collections of ice, dust, and small rocky particles.
a) meteors
b) moons
c) comets
d) polar ice caps
One _______ _______ equals the average distance between Earth and the sun, about 150,000,000 kilometers.
a) astronomical unit
b) solar system
c) dwarf planet
d) astronomy mile
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