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.
If 'biggest' means 'widest', the widest waterfall is the Iguazu Falls on the border of Brazil and Argentina, with some falls that have a width of over 150 metres (492 feet). Some famous waterfalls, yet not the largest, include Niagara Falls, split between Canada and the U.S., the most powerful in North America.Niagara has an average flow rate of 64,750 cu ft/s (1,833 m3/s). Also, the Yosemite Falls of Yosemite National Park are the world's fourth tallest at 2,425 ft (739 m) tall.ome famous waterfalls, yet not the largest, include Niagara Falls, split between Canada and the U.S., the most powerful in North America. Niagara has an average flow rate of 64,750 cu ft/s (1,833 m3/s).