Orionid Meteors Over Turkey . ... Credit Copyright: Tunc Tezel Explanation: Meteors have been flowing out from the constellation Orion. This was expected, as mid-October is the time of year for the Orionids Meteor Shower . ... The Orionids meteors started as sand sized bits expelled from Comet Halley during one of its trips to the inner Solar System. Comet Halley is actually responsible for two known meteor showers , the other known as the Eta Aquarids and visible every May. ...