!i!i!i!i!i!i!i!i*Small*Bodies*!i!i!i!i!i!i!i!i

=ii Small Bodies in Space !!=

 There are many things floating around in the orbit out in space. Some are smaller than others, if they get into earths atmosphere and hit the earth they could cause severe damage to earths crust. Depending on their size it could effect a wide range of populated areas causing injury or death. We are going to talk about a few things that orbit around out there that you might not even know about. The first thing that we will talk about is meteors. Then we will talk about some asteroids and what they can do. Then finally we will talk about the comets that are out in space.

 Meteors
 * A bright streak of light that appears briefly in the sky and may or may not glow for a second.
 * A meteor appears when a meteoroid (particle or chunk of metallic or a stony matter found in space) that enters the Earth.
 * the meteors become visible at 40-75 miles above the earth.
 * millions of meteors appear in eaths atmosphere every day.
 * There can also be a meteor shower which is a cluster of meteoroids following each other.

 Asteroids
 * several hundred thousand asteroids have been discovered and given provisional designations so far
 * 11 comets and steroids have been explored by space craft so far
 * There are 26 known asteroids larger than 200 km in diameter
 * 99% of the asteroids are larger than 100 km in diameter
 * By the end of the 1th century there were several hundred known

 Comets
 * they are sometimes called dirty snowballs or ice mud balls
 * the Chinese records of Halley's comet go back to at least 240BC
 * <span style="color: rgb(255, 5, 240);">Nucleus- relatively soled and stable, mostly ice and gas with small amount of dust and other solids
 * <span style="color: rgb(255, 5, 240);">Coma dense cloud of water, carbon dioxide and other neutral gases
 * <span style="color: rgb(255, 5, 240);">After 500 or so passes mear the Sun Off most of a comet's ice and gas is lost leaving a rock object cery much like an asteroid in appearance