they come from space DUHXX
true
No. Comets are much smaller than planets, are irregular in shape, and have highly eccentric orbits.
True/yes
Yes. I've actually read an article about it today !
Comets have very elliptical orbits that usually take them far beyond the orbit of Pluto, but also take them closer to the Sun than Earth! Comets are held together by frozen gases(:
The singular form is comet, the plural form is comets, the possessive plural is comets'. Example: The comets' paths will not cross.
Comets are Comets and Asteroids are Asteroids
comets
Comets
everything in the universe is round exept for the astreoids and comets and nebula they are round because they were formed like this
There are no comets on Neptune because Neptune is a planet and comets are, well, comets. They have nothing to do with each other.
comets crash into all planets!Planets don't have comets. Planets have moons. Comets orbit the sun