bhai, prithibite ak kaal e ozon layer boila kono kisu silo na, ozone layer er ei haal er cheye korun haal er ageo hoise . ar gamma blast jodi 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 000000000000000000000000000000000000000000000 light year dur theke ashe , taile tar effect oi distance er sq poriman kome jay O Pagla chulke ne !!! O Pagla chulke ne !!! Chulke Ne !!! Chulke Ne !!! Chulke Ne !!! |