What Is the Difference Between an Optical Double Star and a Visual

question 160

Multiple Choice

What is the difference between an optical double star and a visual binary star?

• A) An optical double is an illusion-the stars are at vast distances from each other and are not actually orbiting each other-whereas in a visual binary, the stars are actually orbiting each other.
• B) There is no difference-they are two names for the same thing.
• C) The stars in an optical double star are actually orbiting each other, whereas a visual binary is an illusion-the stars are at vast distances from each other and are not actually orbiting each other.
• D) Optical double stars can be seen as separate stars only through a telescope, whereas visual binaries can be seen with the unaided eye (e.g., the star Mizar in the Big Dipper's handle).

---

Definitions:

Immigrant Laborers

Workers who migrate from their country of origin to another country to seek employment, often filling roles in industries such as agriculture, construction, and services.

Economic Disaster

A situation where a significant and sudden downturn in the economy leads to widespread financial hardship.

Seasonal Agriculture

Farming activities that depend on seasonal cycles, often requiring temporary labor to plant, cultivate, and harvest crops.

Wages

The fixed regular payment, typically paid on a daily or weekly basis, made by an employer to an employee, especially to manual or unskilled workers.