How are comets and asteroids alike?

Although both asteroids and comets were formed in the early days of our solar system's formation, asteroids are huge rocky objects that are mostly found in the ... read more

Comets and asteroids are similar in that both are the remains of the creation of the universe around 4.5 billion years ago, and both can move toward Earth. That is where their similarities end. A comet is a ball made of ice and rock that grows "tails" as it gets closer to the sun. read more

Skip to the Questions. Comets, meteors, and asteroids are often grouped together since they are all basically the same thing: small pieces of rock and/or ice that aren't part of a major planet. read more