The bright star Capella in the constellation Auriga the Charioteer is the star in the northeast that flashes red, green and blue. Capella is bright at magnitude 0.24 and it’s low in the northeastern sky in the evenings. Around October in the Northern Hemisphere, many people look at this star and wonder if they’re seeing a UFO. To be sure you’ve found Capella, look for a little triangle of stars nearby. Capella is sometimes called the Goat Star, and this little asterism is called The Kid...