Exploring the Universe Test

Front

Which does NOT have an effect on how strongly the Sun pulls on an object in space? Options: the mass of the object, how far the object is away from the Sun, the fact that the Sun is made of a mixture of gases, the mass of the Sun

Back

the fact that the Sun is made of a mixture of gases

Front

A galaxy that has a shape similar to a football is a(n) _____ galaxy.

Back

elliptical

Front

As the solar system developed, larger bodies were pushed away from its center by gravity. True or False?

Back

False

Front

Two of the inner planets are _____.

Back

Mars and Venus

Front

The order of the inner planets outward from the Sun is ____.

Back

Mercury, Venus, Earth, and Mars

Front

Which does NOT describe our Sun? Options: it is part of the Milky Way galaxy, it is the center of the universe, it is one of billions of stars

Back

it is the center of the universe

Front

Which of the following data can help someone to infer the size of a planet? Options: how many moons it can capture due to its pull of gravity, how far it is from the Sun in km, its surface temperature in degrees, its surface geography

Back

how many moons it can capture due to its pull of gravity

Front

Gravity causes cast off gases to clump together to begin forming new stars and planets. True or False?

Back

True

Front

What causes planets and other space objects to revolve around the Sun rather than traveling in a straight line? Options: Friction, Gravity, Buoyancy

Back

Gravity

Front

Which of the following is defined as a huge collection of gas, dust, and stars held together by gravity? Options: nebula, solar system, galaxy, universe

Back

galaxy