What it is: A swap is an agreement between two parties to exchange a series of future cash flows. How it works (Example): Swaps are financial agreements to exchange cash flows. Swaps can be based on interest rates, stock indices, foreign currency exchange rates and even commodities prices.
Neptune was discovered in the fall of 1846. What is Neptune's nickname, 'Last of the Gas Giants. Neptune had gone through several name changes from LeVerrier's Planet to Janus to Oceanus, and then finally Neptune in 1846. It is also called, the watery planet. The planet has several nicknames, including: The Blue Planet.
In Roman mythology Neptune was the god of the Sea. He is known as Poseidon in Greek mythology. The planet was probably named after the sea gods because of its deep blue color. This is the symbol for Neptune: Neptune is the eighth planet from the Sun and the fourth largest (by size) of the nine planets. Neptune is smaller in size but it's heavier than Uranus.