Asteroids, Comets, and Meteors

Studying asteroids, comets, and meteors can help scientists learn more about the formation of our solar system and the potential threats they may pose to Earth. What are the potential threats to Earth?

What is a defining characteristic of comets when they get close to the Sun?

• They develop a tail

• They shrink in size

• They change color

• They become solid

How do scientists study meteorites that have landed on Earth?

Where are asteroids mostly found?

• Between Earth and Mars

• Between Mars and Jupiter

• Beyond Neptune

• Around Saturn

What is the bright streak of light produced by small rocky or metallic bodies that enter Earth's atmosphere called?

• Meteorite

• Asteroid

• Comet

• Planet