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.
Kentucky Derby. For the season point system, see Road to the Kentucky Derby. For the 2016 race, see 2016 Kentucky Derby. The Kentucky Derby /ËdÉËrbi/ is a horse race held annually in Louisville, Kentucky, United States, on the first Saturday in May, capping the two-week-long Kentucky Derby Festival.