> News story > Discussion questions > Answer 1

Question 1:
What are some similarities and differences between asteroids and comets?
Answer:
Asteroids
Both asteroids and comets
Comets
Formed in the solar system
Formed when the Sun and planets were forming
Orbit the Sun
Composed of rock with perhaps some ice Composed of ice, dust, and some rock
Usually do not have tails Usually form tails of dust and gas when they travel into the inner solar system
Usually orbit the Sun in the same direction as the planets Can orbit the Sun in any direction

<< Back to discussion questions