A spot trade is a method of trading foreign exchange currency. Spot trades, also called cash trades, are foreign exchange trades with immediate delivery. The name spot trade came to be because this type of trade is generally made on the spot.. Some countries have laws that limit how long it takes for the delivery from a spot trade to reach the purchaser, often legally limiting the time between the trade and delivery to within one or two days.
Saturn is described as having a yellowish-brown color. This is due to the presence of trace amounts of ammonia, hydrocarbons, water vapor and phosphine in its atmosphere.
He was followed by Cassini, who in 1675 observed that there was a major division in the ring, now called the Cassini Division. This meant that there were at least two rings surrounding Saturn. Today we know that Saturn is surrounded by a huge network of rings, called a ring system, each with unique properties. New information from high powered telescopes (like the Hubble Space Telescope) and spacecraft (like Voyager 1 and 2) have added to our understanding of the rings.