Astrophysicists have believed that half the elements which are heavier than iron were formed in gigantic star explosions, known as supernovas. However, there is one little snag with this theory: Astrophysicists have huge problems to make computer simulations of a supernova. âA supernova is extremely complicated.
Siberian Tiger Description. The Siberian Tiger can grow almost 11 feet in length. The males can weigh up to 660 pounds and they are larger than the females. This subspecies of tiger has a skull that is much larger than the others. The skull of the male is quite a bit larger than that of the female.
Siberian Tiger or Amur Tiger is the largest extant cat species ever exists on earth with the head & body length of 7 ft 4 inch and can weigh up to 310 kg. It is the second tallest cat in felidae family just after the African lion with the shoulder height of 3 ft 3 inch.