We call them shooting stars, and they never fail to make us catch our breath in surprise and wonder. But they’re not stars at all. Those bright, brief streaks across the night sky are meteors. And, clear skies permitting, the next month brings two excellent chances to see them.
Meteors are debris left by disintegrating comets. Comets are mostly rock and ice, and once they enter the inner solar system, their orbits may bring them close enough to the sun to heat up, causing the ice to melt and vaporize. Particles of rock fall away from the nucleus of the comet when this happens. When the earth collides with the trail of this debris, the particles burn up in our atmosphere. » Continue Reading.