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.
Neptune has 14 known moons, which are named for minor water deities in Greek mythology. By far the largest of them is Triton, discovered by William Lassell on October 10, 1846, just 17 days after the discovery of Neptune itself; over a century passed before the discovery of the second natural satellite, Nereid.