Astronomy Concepts and Terminology

Front

What is the name of the closest planet to the sun?

Back

Mercury

Front

The sun is a _______.

Back

star

Front

Which of the following best describes the solar system?

• nine planets and their moons revolving around the sun
• ten planets and other objects attracted by gravity to the sun
• eight planets, moons, asteroids, and comets revolving around the sun
• nine planets, including the earth, revolving around the moon

Back

eight planets, moons, asteroids, and comets revolving around the sun

Front

A group of stars that form a pattern in the sky when viewed from earth is called a _____________.

Back

constellation

Front

Huge glowing balls of gases made up of mostly hydrogen and helium are called ____________.

Back

stars

Front

The Big Dipper is located in which constellation?

Back

Ursa Major

Front

As the earth rotates on its axis, the constellations and stars in them appear to _________.

Back

move across the sky

Front

A constellation is a group of visible ____ that form a pattern when viewed from Earth.

Back

stars

Front

Constellations may be only visible during certain seasons due to the Earth’s orbit around the____.

Back

Sun

Front

What planet is 1st from the sun?

Back

Mercury