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 Victoria Falls is considered to be the largest waterfall in the world. They are not the widest waterfall or the highest waterfall but with all dimensions taken into account, including almost the largest flow rate, they are considered to be the biggest curtain of falling water in the world. Surpassing the magnificent Niagara Falls and Iguacu Falls.