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 A near-Earth asteroid, 2012 DA14, comes within 17,200 miles of the Earth's surface, a record-close approach for an object estimated at 50 meters, or 160 ft in in diameter 1947 Event 1st telescope lens 200" (508 cm) in diameter completed 1920 Event F Pease's interferometer measures 1st stellar diameter (Betelgeuse) 1682 Event Tornado in Connecticut uproots a 3' diameter oak tree
