Outer space is overflowing with cosmic junk. Bits of debris from broken asteroids and comets are literally everywhere.
Astronomers have made many discoveries from studying the origins of floating space debris, such as uncovering their link to meteor showers. Each year, Earth ploughs through patches of this rubble, causing pieces to fall to Earth, burn up in our atmosphere, and become meteors. At least 100 of these annual showers have been found. November has two.
