Asteroids are made up of metals and rocky material, while comets are made up of ice, dust and rocky material. Both asteroids and comets were formed early in the history of the solar system about 4.5 billion years ago. Asteroids formed much closer to the Sun, where it was too warm for ices to remain solid.
Origin. No one knows when or where cricket began but there is a body of evidence, much of it circumstantial, that strongly suggests the game was devised during Saxon or Norman times by children living in the Weald, an area of dense woodlands and clearings in south-east England that lies across Kent and Sussex.
Music in three stages: early 1761-1772 middle 1772-1781 late 1781-1791 best known works Mozart composed over 600 works including: 21 stage and opera works, 15 Masses, over 50 symphonies, 25 piano concertos, 12 violin concertos, 27 concert arias, 17 piano sonatas, 26 string quartets, and many other pieces.