Moon the correct values of about 60 and 0.273 respectively. Archimedes (287–212 BC) designed a planetarium that could calculate the motions of the Moon and other objects in the Solar System. During the Middle Ages, before the invention of the telescope, the Moon was increasingly recognised as a sphere, though many believed that it was "perfectly smooth". In 1609, Galileo Galilei drew one of the first telescopic drawings of the Moon in his book and noted that it was not smooth but had mountains and craters. Telescopic mapping of the Moon followed: later in the 17th century, the efforts of Giovanni
Craters of the Moon National Monument and Preserve hunting, not ordinarily permitted in national parks and monuments in the U.S.). Craters of the Moon National Monument and Preserve is co-managed by the National Park Service and the Bureau of Land Management, both under the Department of the Interior. In March 2017, the Idaho Senate voted in favor of petitioning Congress to designate Craters of the Moon a national park. The Snake River Plain is a volcanic province that was created by a series of cataclysmic caldera-forming eruptions which started about 15 million years ago. A migrating hotspot thought to now exist under Yellowstone Caldera in Yellowstone National Park