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).

Identify steps and strategies for creating a customer-centered business.

Understand the role of employees, management, and systems in quality improvement.

Recognize the need for continuous improvement in both product and service quality.

Understand the importance of data and feedback in TQM practices.

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Definitions:

Objective Lenses

Lenses closest to the specimen in a microscope that magnify the image of the sample.

Focus Knobs

Controls on a microscope that adjust the clarity and sharpness of the specimen being viewed by moving the lenses closer or farther from the specimen.

Iris Diaphragm

A mechanical device, typically part of a camera or microscope, that controls the amount of light passing through a lens or onto a specimen.

Field Diameter

The diameter of the field of view seen through the microscope, typically measured in millimeters or micrometers.