COPENHAGEN, Denmark (AP) — A blazing fireball lit up the dark skies of Arctic Finland for five seconds, giving off what scientists said was "the glow of 100 full moons" and igniting hurried attempts to find the reported meteorite. Finnish experts were scrambling to calculate its trajectory and find where it landed, according to Tomas Kohout of the University of Helsinki's physics department, who said Thursday night's fireball "seems to have been one of the brightest ones." It produced a blast wave that felt like an explosion about 6:40 p.m. and could also be seen in northern Norway and in...