Earth in Space and Time

The galaxy in which our solar system is located

• galaxy
• orbit
• Milky Way
• asteroids

A large space rock that orbits the sun

• galaxy
• orbit
• Milky Way
• asteroids

A group of millions of stars

• galaxy
• orbit
• Milky Way
• asteroids

Mercury, Venus, Earth, Mars

• inner planets
• outer planets
• comets
• moon

A natural object that orbits a planet

• inner planets
• outer planets
• comets
• moon

Jupiter, Saturn, Uranus, Neptune

• inner planets
• outer planets
• comets
• moon

a mountain-size chunk of ice and dust that orbits the sun

• inner planets
• outer planets
• comets
• moon

A student says that she saw a shooting star in the sky last night.  What did she really see?

• star
• meteor
• asteroid
• meteoroid

The sun is a medium-size star but appears much larger than other stars.  Why does it appear to be so large?

• The sun is hotter than other stars
• The sun produces more light than other stars
• The sun is much closer to Earth than other stars
• The sun is affected by Earth's gravity more than other stars are

Stars are made up mostly of what material?

• very hot metal
• glowing, hot gases
• extremely hot rock
• carbon and oxygen