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.
The Manchurian Tiger stands at over a metre at shoulder height and is nearly 4 metres long (including its 1 metre long tail). This tiger weighs approximately 350 kilograms (or well over 700 pounds). Its canine teeth are an impressive 10 centimetres in length. Its natural habitat in Siberia is a cold one.