Front

Chunks of rock resembling giant potatoes in space

Back

asteroids

Front

Instrument that magnifies distant objects.

Back

telescope

Front

Robot vehicle for deep space exploration

Back

space probe

Front

A natural body or artificial object that orbits another object.

Back

Satellite

Front

Balls of ice and rock circling the sun from regions beyond Pluto's orbit.

Back

Comets

Front

Large, round bodies revolving around a star

Back

Planets

Front

The moon has:

Back

Craters.

Front

Earth has:

Back

running water

Front

Both the Moon and Earth have:

Back

Day and night cycles.

Front

Earth and Moon have:

Back

volcanoes