When Doomsday will come, the sun and its planets will break up.
When the sun will explode a great amount of fire, smoke and gases will emerge from it to fill the space of the whole solar system and will reach to the earth.
http://www.nasa.gov/multimedia/image...ture_2302.html
http://quran-ayat.com/universe/new_p...ire_and_Smoke_