Meteors (shooting stars)
Cometary dust burning up in atmosphere
A few sporadic meteors per hour
Shower when Earth’s orbit crosses path of a comet, e.g. Perseids in early August
Storm when comet itself has been nearby, e.g. Leonids Nov 99, 00, 01, 02?
Meteors in showers appear to come from one point in the sky, the radiant
Best after midnight when our orbit is sweeping up the particles