A Meteor Shower Occurs When

question 65

Multiple Choice

A meteor shower occurs when

• A) the head of a comet hits Earth's atmosphere.
• B) a meteor disintegrates in Earth's atmosphere.
• C) Earth passes through the asteroid belt.
• D) Earth passes through a swarm of dust particles in space.

---

Definitions:

Binocular Disparity

The difference in the visual images that each eye perceives because of the eyes’ horizontal separation; the basis of stereoscopic vision.

Convergence

A term that refers to the coming together of two or more things; in a physiological context, it describes the inward movement of the eyes toward each other when focusing on a close object.

Closure

The psychological tendency to seek a coherent and logical ending to an open issue or incomplete task.

Interposition

A visual cue for depth perception that occurs when one object partly blocks another; it can provide information about the relative positions and distances of objects in space.