At 4:49 a.m.Eastern Standard Time, the Shuttle Atlantis disappears in space.Hours later, without warning, a meteor shower pummels the Eastern seaboard from Finland to South Carolina.

• 一颗体积相当于整个德州般的巨形陨石，正以时速二万二千哩冲向地球，产生的破坏力足达广岛原子弹爆发的二千万倍。