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.
Angel Falls is the highest uninterrupted waterfall in the world. It  is located in Venezuela and its height is 3,212 feet. It was named  after an aviator Jimmie Angel who flâ¦ew over the falls.