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When atoms combine to form heavier atoms, _________ occurs.
Mars
fusion
It created the planets.
Nicholas Copernicus
a meteoroid that strikes Earth
because of the Sun's gravity
increasing density
because of its similar size
Why is Venus often called Earth's twin?
Mars
fusion
It created the planets.
Nicholas Copernicus
a meteoroid that strikes Earth
because of the Sun's gravity
increasing density
because of its similar size
What is a meteorite?
Mars
fusion
It created the planets.
Nicholas Copernicus
a meteoroid that strikes Earth
because of the Sun's gravity
increasing density
because of its similar size
What happened to the dust and gas that did not contribute to forming the Sun?
Mars
fusion
It created the planets.
Nicholas Copernicus
a meteoroid that strikes Earth
because of the Sun's gravity
increasing density
because of its similar size
What caused the dense cloud scientists hypothesize created our solar system to increase in temperature as it condensed?
Mars
fusion
It created the planets.
Nicholas Copernicus
a meteoroid that strikes Earth
because of the Sun's gravity
increasing density
because of its similar size
Why do planets closer to the Sun orbit the Sun faster than planets farther away do?
Mars
fusion
It created the planets.
Nicholas Copernicus
a meteoroid that strikes Earth
because of the Sun's gravity
increasing density
because of its similar size
Where do scientists plan on sending astronauts to in the future?
Mars
fusion
It created the planets.
Nicholas Copernicus
a meteoroid that strikes Earth
because of the Sun's gravity
increasing density
because of its similar size
Who developed the sun-centered model of the solar system?
Mars
fusion
It created the planets.
Nicholas Copernicus
a meteoroid that strikes Earth
because of the Sun's gravity
increasing density
because of its similar size
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