Astronomy Quiz

What are the phases of the moon?

• The different planets that can be seen from Earth

• The changing appearances of the moon as seen from Earth

• The cycle of the moon orbiting the Earth

• The various shapes the Earth takes during a month

What is a constellation?

• A group of stars that form a pattern in the sky

• A single star that is particularly bright

• A galaxy containing our solar system

• A comet passing by Earth

What does the term "atmosphere" refer to?

• The vacuum of space beyond Earth

• The layer of gases surrounding the Earth

• The surface of the Earth

• The core of the Earth

What is gravity?

• The force that pulls objects away from each other

• The force that keeps the Earth rotating

• The force that pulls objects toward each other

• The force that moves objects in a straight line

What does it mean to revolve?

• To spin rapidly in place

• To move around another object in a circular orbit

• To move in a straight line

• To rotate on an axis

What happens when an object rotates?

• It moves from one place to another

• It stays still in one position

• It moves in a straight line

• It spins or turns like a top

What is a planet?

• A natural satellite that orbits around a moon

• A star that is part of a galaxy

• A natural object that revolves around a star

• A comet that passes through the solar system

What is an orbit?

• The path a star takes as it moves around the galaxy

• The path a comet takes as it enters the solar system

• The path an object makes as it revolves around another object in space

• The trajectory of a meteor entering the Earth's atmosphere

What is the axis?

• A line that divides the Earth into eastern and western hemispheres

• An imaginary line that passes through north and south poles and through the center of the Earth

• The equator that divides the Earth into northern and southern hemispheres

• The orbit of the Earth around the Sun

Who is an astronomer?

• A person who studies the Earth's surface

• A person who studies ancient civilizations

• A person who studies plants and animals

• A person who studies stars, planets and constellations