The Moon is thought to have formed when an object roughly the size of Mars hit the Earth. The impact was so violent that it threw large amounts of the Earth's mantle into orbit. This material evenually coalesced and formed the Moon.
Ansel Easton Adams was an American photographer and environmentalist. His black-and-white landscape photographs of the American West, especially Yosemite National Park, have been widely reproduced on calendars, posters, and in books.
Che Guevara remains one of the icons of the 20th Century. An Alberto Korda photograph of him entitled âGuerilla Heroâ was named as the most famous photograph in the world. Even though he hated commercialism, his image has appeared on every kind of product imaginable. Today, his profile is still largely associated with revolution