Alpha radiation is a type of energy released when certain radioactive elements decay or break down. For example, uranium and thorium are two radioactive elements found naturally in the earthâs crust. Over billions of years, these two elements slowly change form and produce âdecay productsâ such as radium and radon.
Before the big race, a two week Kentucky Derby Festival takes place with events for the whole family. Then, as usual, the race will take place on the first Saturday in May 2016. On the big day, the contenders will line-up to race around a 1.25 mile track.
Every first Saturday in May, Louisville, Kentucky, is home to the âMost Exciting Two Minutes In Sports.â The Kentucky Derby marks the annual stakes race for 3 year-old thoroughbreds, which race around a 1 1/4-mile track. The tradition began in May 1875, when the first Derby was held before a crowd of 10,000 people.