What Is Astrometry

question 11

Multiple Choice

What is astrometry?

• A)measuring distances to stars
• B)searching for planets around stars
• C)measuring the positions of stars on the sky
• D)measuring the velocities of stars via the Doppler effect
• E)using metric units for distance (e.g.meters rather than light years)

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Definitions:

Automotive

Refers to the design, development, manufacturing, marketing, and selling of motor vehicles.

Railroads

Land transport routes using a series of tracks and stations for the movement of trains to transport passengers and goods.

Industrial Regulation

Governmental regulation of industries to ensure competition, control prices, prevent monopolies, and protect consumers.

Social Regulation

A form of government intervention in the private sector that aims to protect public welfare, health, safety, and the environment.