Astronomers Tracking Unexplained Spike in Meteor Events

Just as it faces an annual hurricane season and tornado season, North America is also experiencing an annual "fireball season," according to NASA."From February through April, the appearance rate of these very bright meteors can increase by as much as 10 percent to 30 percent, especially around the weeks of the March equinox," NASA explained in a statement in late March. "Exactly why is not known. Some astronomers think the Earth passes through more large debris at this time of year, causing an uptick in fireball sightings."...The American Meteor Society, which has gathered professional and amateur meteor reports since 1911,...