Comets are small Solar System bodies composed of ice and dust. They have thin, temporary atmospheres called comas and tails made of dust and gas.
A comet is an icy small Solar System body that, when passing close to the Sun,
heats up and begins to outgas, displaying a visible atmosphere or coma, and ...
Comets are often referred to as "dirty snowballs." They are left over from the
formation of stars and planets billions of years ago. Before zipping around the
Comets are basically dusty snowballs which orbit the Sun. They are made of ices,
such as water, carbon dioxide, ammonia and methane, mixed with dust.
Explains what is inside a comet, how it moves, and the two most famous comets.
Comets have inspired awe and wonder for generations. Are they falling stars?
Are they alien spacecraft exploring our solar system? Are they omens of disaster,
What is a comet? A comet is basically a big ball of ice and rock. Where do they
come from? They are leftovers from the beginning of the solar system. Why dose
Nov 15, 2014 ... A comet is an icy body that releases gas or dust. They are often compared to dirty
snowballs, though recent research has led some scientists to ...
Video : Take a deeper look into our solar system and discover exactly what a
comet is with VideoJug's help. Solar System.
Tells where comets come from, and a few pictures too.