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

question 22

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 orbital speed 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 Phobia

Also known as social anxiety disorder, involves intense fear of being judged, negatively evaluated, or rejected in a social or performance situation.

Anxiety Disorder

An emotional health issue identified by severe worry, nervousness, or terror that are so powerful they hinder someone's everyday tasks.

Subclinical Narcissism

A form of narcissism that is less severe, characterized by traits of grandiosity, entitlement, or a need for admiration that does not fully meet the criteria for Narcissistic Personality Disorder.

Depressive Traits

Characteristics or features generally observed in individuals suffering from depression, such as persistent sadness, hopelessness, and a lack of energy.