2015 Event Scientists announce discovery of a planet in the Kepler-452 solar system that closely resembles Earth in size and orbit; the planet, Kepler 452-b, has a diameter 60% larger than Earth's but an orbit that is 385 days, close to Earth's 365 days 2013 Event In Brazil, scientists discover a new species of lizard, about the size a coin and weighing less than a gram 2013 Event The Harvard-Smithsonian Center for Astrophysics estimates at least 17 billion planets exist that are comparable to the size of the Earth and the Milky Way 2010 Event An area in Alaska, twice the size of the United Kingdom, is protected by the U.S. Government; the area is considered a critical habitat for polar bears 1987 Event Iceberg twice size of Rhode Island sighted in Antarctic 1978 Event Jimmy Carter more than doubles national park system size 1976 Event U.S. and Russia agreed on size of nuclear tests for peaceful use 1931 Event Golf ball size hail falls in Burlington, New Jersey 1897 Event Possibly most severe quake in history strikes Assam India, shock waves felt over an area size of Europe (negligible death toll) 1803 Event U.S. doubles in size through Louisiana Purchase
