Comets+2B

Ricky, Corey, Cameron Comets 2b The Comet who wanted a Tail

What are comets made out of? * dust *ice * has a nucleus * has a coma *has a hydrogen cloud Coma and hydrogen * The hydrogen cloud surrounds the coma. It can be about 2 million miles across. Where do comets come from? *The Kuiper Belt * The Oort Cloud Do comets have more than one tail? · Yes they do. Why do comets come to us? * In the Oort/ Kuiper almost 200 million comets that are spinning and sometimes 2 comets hit each other and send them off course.
 * a Coma is a cloud of gasses surrounding the nucleus.
 * tails are made out of dust and ice

Why do comets melt? *They do melt by the heat of the Sun and it is estimated that every second that a comet is nearest to the Sun it loses 50 tons of material. A comets tail is always behind it right? *No, a comets tail can be behind it or in front of it by the solar winds send off from the Sun. If the comet is towards the sun then the tail is behind if away from the sun it is in front of the comet.

http://school.nettrekker.com/isearch/index.epl?ctgry_id=X0&keyword=comets&start=64&keepchecks=yes

Comets and Meteors are different.

Meteors smaller

doesn’t orbit

if hit=atmosphere= burn Comets large

orbits suns If hit earth= impact