The Ancients believed that the rise of Sirius, the dog star, would add to the summer’s heat, thus producing The Dog Days Of Summer.
Stars are too far away to influence the temperature of our world, but the flame-cannons The Crab People Of Canis Major sure raised the heat in cities their invasion forces burned to the ground.
Why they invaded and how we defeated them, I have no clue. That was many years ago, and the grandchildren of the grandchildren of those heroes tell the wildest tales as we sit around the pot, boiling blue crabs in their memory.