Source: Curium does not exist in nature. It is a synthetic element and it is produced in nuclear reactors by bombarding plutonium with neutrons. Isotopes: Curium has 15 isotopes whose half-lives are known, with mass numbers 238 to 252. Curium has no naturally occurring isotopes.
2017 Rolls-Royce Ghost Series II. Everything in life is relative, and perhaps no car illustrates this point as effectively as the Rolls-Royce Ghost. While it's technically the entry-level Rolls-Royce model, the Ghost's $250,000 base price puts it in the stratosphere of the overall automotive market.
The singer Lil Wayne owns a Rolls-Royce Phantom Drophead CoupÃ© which is a true symbol of luxury. Phantom Drophead CoupÃ© is a British handmade convertible which was launched in 2007 manufactured by Rolls-Royce. The car is is currently the most expensive Rolls-Royce model at $443,000.