A ghostly pyramid of light is about to appear before dawn — here's how to see it

Starting today (Sept. 9), skywatchers in the Northern Hemisphere have a chance to spot one of the night sky's more elusive sights: the zodiacal light.Zodiacal light is a faint, pyramid-shaped glow rising in the east before morning twilight. It is caused by sunlight reflecting off interplanetary dust.The phenomenon is sometimes nicknamed the "false dawn" because its soft glow can be mistaken for the signs of morning twilight. Unlike dawn, however, the zodiacal light appears as a distinct cone or