Our Solar System Retest

Front

What is the nebular hypothesis?

Back

The nebular hypothesis is a prediction of how the Solar System was formed.

Front

What do we call a meteoroid that hits Earth's surface?

Back

A meteoroid that hits Earth's surface is called a meteorite.

Front

What is a comet?

Back

A comet is an object made of frozen gas that can take an elliptical or parabolic orbit and has a long tail composed of evaporating ice.

Front

What is the region of the solar system located between Mars and Jupiter called?

Back

The region between Mars and Jupiter is called the asteroid belt.

Front

What type of planet is Pluto?

Back

Pluto is classified as a dwarf planet.

Front

What is the main component of the asteroid belt?

Back

The asteroid belt primarily consists of numerous small rocky bodies.

Front

What is the difference between a meteoroid, meteor, and meteorite?

Back

A meteoroid is a small rocky or metallic body in outer space, a meteor is the streak of light produced when a meteoroid enters Earth's atmosphere, and a meteorite is a meteoroid that survives its passage through the atmosphere and lands on Earth.

Front

What is the Kuiper Belt?

Back

The Kuiper Belt is a region of the solar system beyond Neptune, populated with many small icy bodies.

Front

What is the Oort Cloud?

Back

The Oort Cloud is a theoretical cloud of icy objects believed to exist at the farthest reaches of the solar system.

Front

What defines a planet?

Back

A planet is defined as a celestial body that orbits a star, is spherical in shape, and has cleared its orbit of other debris.