The Shapes and Sizes of the Two Moons of Mars

question 84

Multiple Choice

The shapes and sizes of the two moons of Mars are:

• A) spherical and quite large compared to the planet, about 1000 km in diameter, similar to the largest asteroid.
• B) almost spherical but very small, only 10 and 30 km in diameter, respectively.
• C) irregular, but quite large compared with the planet, between 500 and 1500 km across.
• D) irregular in shape and very small, only several tens of kilometers across.

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Definitions:

Master Cylinder Leaks

Occurs when fluid escapes from the master cylinder, a crucial component of a vehicle's brake system, potentially leading to brake failure or reduced effectiveness.

External Leaks

The unintentional escape of fluids (such as oil, coolant, or fuel) from a vehicle due to damaged seals or gaskets.

Brake Pedal Free Play

The distance which a brake pedal can be pressed before the brake mechanism starts to engage.

Petroleum-Based Fluids

Fluids derived from petroleum used in various applications, including lubricants, solvents, and hydraulic fluids.