Asteroids range in size from Ceres-the largest at about 950 kilometers (590 miles) in diameter and also identified as a dwarf planet-to bodies that are less than 1 kilometer (0.6 mile) across. The total mass of all the asteroids combined is less than that of Earth's Moon.
Only about one-third of the protein eaten around the world comes from animals raised for food. Much of the protein consumed around the world comes from vegetarian sources, including grains, legumes, nuts and seeds. Three grains -- wheat, maize and rice -- provide 60 percent of the world's energy, as well as a good percentage of the protein consumed.
Almonds have low fat content and are a great source of protein-rich food for vegetarians. Peanuts are a high source of protein as well with 8 grams of protein. Peanut butter is also a good source of proteins and provides us with 8 grams of protein per 30 grams. The only downside with protein is that it is high in fats, so add to your diet in moderation.