Supernova. Stars below nine solar masses become white dwarfs, though stars more than 1.4 solar masses (Chandrasekhar limit) should nova during their life time.
http://en.wikipedia.org/wiki/Supernova
http://en.wikipedia.org/wiki/Chandrasekhar_limit
It is a large star
If blackholes reach the earth the earth will destroy. Blackhole are to large it can eat star easily.
A planet cannot explode on it's own. A star would experience very little changes if a planet did explode, even one as large as Jupiter.
Lots of things do NOT happen. Better read an article on star formation and find out what DOES happen.
Star Luster happened in 1985.
Star Control happened in 1990.
Star Force happened in 1984.
Star Castle happened in 1980.
Star Warrior happened in 1980.
Star Trigon happened in 2002.
Star Trader happened in 1984.
Software Star happened in 1985.