Irr II Galaxies May Be the Result of a Collision

question 124

True/False

Irr II galaxies may be the result of a collision, or close encounter, of two normal galaxies.

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Definitions:

Hub

The central part of a wheel that connects it to the axle, bearing the load and allowing it to rotate.

Drum Brakes

A type of braking system using brake shoes pressed outward against a rotating drum to slow or stop a vehicle.

Disc Brakes

A type of brake that slows or stops a vehicle by squeezing brake pads against a disc or rotor attached to the wheel.

Brake Fade

A reduction in the braking power of a vehicle, often due to overheating of the brake components during heavy use.