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 kentucky derby ËdÉrbi 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 the race is a grade i stakes race for three year old thoroughbreds at a distance of one and a quarter miles 2 km at churchill downsn may 16 1925 the first live radio broadcast of the kentucky derby was originated by whas and was also carried by wgn in chicago on may 7 1949 the first television coverage of the kentucky derby took place produced by wave tv the nbc affiliate in louisville