Two Planets Are Orbiting a Star in a Distant Galaxy

question 44

Multiple Choice

Two planets are orbiting a star in a distant galaxy.The first has a semimajor axis of 150 *10⁶ km, an eccentricity of 0.20, and a period of 1.0 Earth years.The second has a semimajor axis of 250 * 10⁶ km, an eccentricity of 0.30, and a period of:

• A)0.46 Earth yr
• B)0.57 Earth yr
• C)1.4 Earth yr
• D)1.7 Earth yr
• E)2.8 Earth yr

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Definitions:

Exposure to Radiation

The state of being subjected to ionizing or non-ionizing radiation from natural or artificial sources.

High-Fat Diet

A diet that consists predominantly of foods high in fat, which can potentially lead to health issues such as obesity, heart disease, and diabetes.

Vitamin Deficiency

A nutritional imbalance where the body lacks essential vitamins needed for various bodily functions.

Down Syndrome

A genetic disorder caused by the presence of an extra 21st chromosome, leading to developmental and physical characteristics.