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.
The Derby Stakes, popularly known as The Derby, is a Group 1 flat horse race in England open to three-year-old thoroughbred colts and fillies. It is run at Epsom Downs Racecourse in Surrey over a distance of one mile, four furlongs and 10 yards (2,423 metres), on the first Saturday of June each year. It is Britain's richest horse race, and the most prestigious of the five Classics.