An alarm system for Earth crashersScience News for StudentsConsider the Chelyabinsk meteor that exploded over Russia in 2013. The rock was only about 17 meters (56 feet) across. But it damaged buildings ...Meteor showers for 2016Sydney ObservatorySilvia Choi is an astronomy guide at Sydney Observatory and avid meteor chaser! Below she discuss upcoming meteor showers for 2016. You may ...2016 The