For 10 points, name this cosmic entity represented by the Egyptian god Ra.
A specific early aspect of this entity was represented by the god Khepri. The uraeus was an image that combined the snake-like Wadjet and another item representing this entity, and the Khufu ship symbolized a mythical version of this entity that was regularly confronted by (*) Apep. A "disk" of this entity was deified as the god Aten, and a namesake "barge" represented this entity. The rolling of dung beetles was compared to the movement of this entity, and the city of Heliopolis is literally named after this astronomical object. For 10 points, name this cosmic entity represented by the Egyptian god Ra.
A specific early aspect of this entity was represented by the god Khepri.
sun (accept solar and word forms)