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Climate change - Wikipedia is an article that explains the causes, effects, and responses to the global phenomenon of climate change. Learn about the science, history, and politics of this urgent issue.
Mars is the fourth planet from the Sun.The surface of Mars is orange-red because it is covered in iron(III) oxide dust, giving it the nickname "the Red Planet". [22] [23] Mars is among the brightest objects in Earth's sky, and its high-contrast albedo features have made it a common subject for telescope viewing.