Big Asteroid Is Heading Close to Earth Voice of America ... 60 times as large as the small asteroid that plunged into our atmosphere as a meteor and exploded over the Russian city of Chelyabinsk in 2013. "We Are the Meteor" WNYC Stratigraphers study the earth's layers of rock in order to reveal the planet's history. And within the stratigraphic community, a big change is underway. Meteor lights