
Why do comet tails point away?
Because sunlight and the outstreaming solar wind shove material off the nucleus. They sculpt two distinct tails that always lean away from the Sun.Comets: The Tail That Always Points Away

Two tails, two behaviors
Dust makes a curved tail that follows the orbit. Ionized gas forms a straight tail that traces solar magnetic fields, pointing directly away from the Sun.Comets: The Tail That Always Points Away