Meteors,+Meteoroids,+Meteorites

Meteoroids Meteors Meteorite 1. 87% of Meteorites are Chondrites 2. 8% of Meteorites are Achondrites 3. 5% of Meteorites are Iron Meteorites History of Meteoroids Composition of Meteoroids
 * Different organizations has a different criteria for an object being Meteoroids
 * According to the International Astronomical Union, Meteoroids are defined as “ a solid object moving in interplanetary space, of a size considerably smaller than an asteroid and considerably larger than an atom”
 * According to the Royal Astronomical Society, a meteoroid is between 100 µm and 10 m across.
 * Meteoroids that has interfered with the Earth’s atmosphere
 * Size varies from 75m to 100m
 * Meteoroids that has impacted the Earth’s surface
 * There are three types of Meteorites
 * Contains silicate minerals
 * About 4.55 billion years old
 * Meteorites that appears to be relatively younger then Chondrites
 * Comes from the moons of planets and a large quantity came from the planet Mars
 * The core of asteroids
 * A number of Meteorites were from the asteroid belt when the solar system is formed
 * Particles that were formed billions of years ago that are drifting in space
 * Meteoroids were known since ancient time, but first studied during the 19 century.
 * First Meteoroid researched was done by professor Benjamin Silliman
 * Meteors was not an interesting area of research in science during the 19 century
 * Determined by the wavelength of the trail when it passes through the earth's atmosphere
 * Determined by investigating stationary object
 * most of them contains silicate minerals
 * Most Meteoroids contains hydrogenand helium