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.
Types of Waterfalls. Highest Waterfall in the World. Waterfalls in Africa. Africa is not commonly associated as home to some of the worldâs best waterfalls, but as our review of the worldâs waterfalls has shown, African waterfalls account for some of the tallest, widest and biggest waterfalls in the world, as well as some of the most spectacular.