Asteroids, Comets, and Other Small Worlds Quiz

What are asteroids and comets mostly made of?

• Gas and dust

• Metal and plastic

• Water and organic molecules

• Wood and stone

Where are most asteroids located?

• In Earth's atmosphere

• Between Mars and Jupiter

• Near the Sun

• Beyond Neptune

What is the largest asteroid called?

• Vesta

• Apophis

• Ceres

• Ida

What is a meteor?

• A streak of light in the sky

• A type of star

• A small planet

• A kind of cloud

What is a meteorite?

• A kind of star

• A small planet

• A type of cloud

• A rock from space that lands on Earth

What is the main difference between asteroids and comets?

• Asteroids are liquid, comets are gaseous

• Asteroids are icy, comets are rocky

• Asteroids are rocky, comets are icy

• Asteroids are gaseous, comets are solid

What is the name of the asteroid that will pass close to Earth in 2029?

• Vesta

• Ida

• Apophis

• Ceres

What causes a meteor shower?

• Earth passing through a comet's dust trail

• Stars falling from the sky

• Planets colliding

• The Sun's rays hitting Earth

What is the name of the spacecraft that first brought back samples from an asteroid?

• Galileo

• Hayabusa

• Rosetta

• Dawn

What is the main goal of NASA's Lucy mission?

• To study the Sun

• To land on Mars

• To explore Jupiter's Trojan asteroids

• To visit the Moon