There are two ways that a supernova happens. A Type I supernova occurs when a star accumulates too much matter from nearby stars. Eventually, this leads to a nuclear reaction. A Type II supernova occurs after a star runs out of nuclear fuel and the force of its own gravity becomes too much.
Zambezi River, bordering Zimbabwe and Zambia. Considered the largest waterfall in the world, Victoria Falls thunders obnoxiously in Southern Africa. A Scotsman named David Livingston discovered the falls around 1855 and named them after then-queen Victoria.
The Angel Falls. Angel Falls is the worldâs highest uninterrupted waterfall, with a height of 979 m (3,212 ft) and a plunge of 807 m (2,648 ft). It is so high that the water actually atomizes, due to the force of the strong winds in the area and simply disappears in a fine mist before it even reaches the ground. 3. Niagara Falls.