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.
A child-friendly introduction to the artist Vincent van Gogh. Who was he? Why is he famous? What did he do? Vincent van Gogh was a famous Dutch Impressionist...