Space Vocabulary

A huge (very big) ball of very hot gases is a...

• planet

• moon

• star

• galaxy

The people who work on a ship, plane, or spacecraft is called...

• astronauts

• crew

• volcano

• orbit

A body that moves around a star is...

• a moon

• a sun

• an astronaut

• a plant

A star that is at the center of a solar system is called...

• a constellation

• a moon

• a galaxy

• a sun

The vehicle that travels into space is called...

• spacecraft

• spacewalk

• orbit

• rotate

Any NATURAL body that moves around a planet is called...

• a moon

• a comet

• a star

• an asteroid

The path a body takes in space as it moves around another body is...

• an orbit

• a revolution

• a rotation

• a year

To move around an axis is to...

• orbit

• revolve

• day

• rotate

It moves around a planet, and it can be natural or artificial ...

• eclipse

• reflection

• satellite

• planet

Everything that exists including stars, planets, gas, dust, and energy

• The Solar System

• The Universe

• The Galaxy

• The Earth