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.
Eventually, deep inside, the hydrogen becomes metallic. At the core lies a hot interior. Saturn has the most extensive rings in the solar system: The Saturnian rings are made mostly of chunks of ice and small amounts of carbonaceous dust. The rings stretch out more than 120,700 km from the planet, but are are amazingly thin: only about 20 meters thick.