We've all driven down a road, looked away, looked back and mistaken a bear for the Abominable Snowman. Or a Toyota Prius for a car.
However, when you're in the air, slight errors of visual comprehension might be magnified.
For it seems that an Air Canada pilot, on his way from Toronto to Zurich, woke up from his scheduled nap and mistook Venus for an oncoming planet. Ah, no, that last "t" shouldn't be there. He thought it was a plane.