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.
Henri Matisse experimented with decoupage to create his iconic âBlue Nude IIâ (1952). Other artists known for their collages include Kurt Schwitters, John Heartfield, Joseph Cornell, Raoul Hausmann, Lorna Simpson, Nina Yuen, Annegret Soltau, Jeese Treece, John Stezaker, Nancy Spero, and Kara Walker.