Iron

Mexico's main industries are food and beverages, tobacco, chemicals, iron and steel, petroleum, mining and tourism.

Mars is often referred to as the "Red Planet" because the reddish iron oxide prevalent on its surface gives it a reddish appearance that is distinctive among the astronomical bodies visible to the naked eye.

Inside Saturn is probably a core of iron, nickel, silicon and oxygen compounds.

Despite its small size, Mercury has a very dense iron core.

Its reddish color is due to iron oxide, or rust, on its surface.

The red color comes from iron oxide, also known as rust, on its surface.