In the Great Debate of 1920, Curtis Argued That Spiral

question 16

True/False

In the Great Debate of 1920, Curtis argued that spiral nebulae were individual galaxies, while Shapley argued spiral nebulae must be part of the Milky Way because the Milky Way was very large in size.

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Definitions:

Crankcase

A housing for the crankshaft in an internal combustion engine.

Multi-Purpose Gear Lube

A type of lubricant designed for use in various gear systems, helping to reduce friction and wear.

Zerks

Grease fittings used for the application of lubricant under pressure directly to mechanical parts, commonly found in automotive and industrial equipment.

S-Cam Actuated Brakes

A type of drum brake system where an S-shaped cam is used to push brake shoes apart and against the brake drum to stop a vehicle.