The Moons of Mars,Phobos (Fear)and Deimos (Terror),are Very Close to the Planet

question 16

Multiple Choice

The moons of Mars,Phobos (Fear) and Deimos (Terror) ,are very close to the planet compared to Earth's Moon.Their orbital radii are 9,378 km and 23,459 km respectively.What is the ratio of the period of revolution of Phobos to that of Deimos?

• A) 0.2528
• B) 0.3998
• C) 1.582
• D) 2.858
• E) 3.956

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Definitions:

Social Capital

The networks, relationships, and norms that facilitate collective action and cooperation within a community.

Tethers

Cords, ropes, or chains by which an object, animal, or person is attached to a specific point, limiting their range of movement.

Bonds

Fixed-income investments where an investor loans money to an entity (typically corporate or governmental) that borrows the funds for a defined period at a fixed interest rate.

Networking Group

A collective of individuals or organizations that come together to share information, resources, and support to enhance professional connections.