Stars That Travel in the Same Direction Around a Concentration

question 33

Multiple Choice

Stars that travel in the same direction around a concentration of mass are characteristic orbits found in:

• A) the arms of spiral galaxies.
• B) the bulges of spiral galaxies.
• C) elliptical galaxies.
• D) irregular galaxies.

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Definitions:

Carrier

A component in differential systems designed to hold the gears in place and distribute torque to the wheels.

Control Module Interconnectivity

The integrated communication framework between various electronic control units (ECUs) in a vehicle.

Universal Standards

Guidelines or criteria widely accepted and used across different countries, industries, or disciplines to ensure compatibility and quality.

J1939

Hardware and software multiplexing data bus protocols required for medium- and heavy-duty truck, and most off-road equipment; built on CAN 2.0 architecture using a serial, twisted wire pair.