China is the world's second largest economy by nominal GDP.
Oilean Ruaidh -LRB- pronounced `` ill-lawn roo-ah '' -RRB- is a rock discovered on Mars in September 2010 by the Opportunity rover .. Oilean Ruaidh. Oilean Ruaidh. It is a 45 centimeter wide dark rock thus it is thought to be an iron meteorite .. iron meteorite. iron meteorite. It was given the name Oilean Ruaidh after the Irish language name of Oilean Ruaidh island in County Donegal in Ireland .. Irish language. Irish language. Oilean Ruaidh. Oilean Ruaidh. County Donegal. County Donegal. Ireland. Republic of Ireland