Two Stars of Equal Mass Form a Visual Binary System

question 60

Multiple Choice

Two stars of equal mass form a visual binary system.The separation between the two stars is 4 AU and the period of the orbital motion is 8 years.What is the mass of each star relative to the mass of the Sun?

• A) 1
• B) 1/2
• C) 1/4
• D) 2

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Definitions:

Contaminated Water

Water that has been polluted by chemical substances, bacteria, or other pathogens, making it unsafe for human consumption and use.

Percolates

The movement of water or other liquids through a porous medium, often referring to the process of water filtering through soil layers.

Primary Recycling

The process of recycling a material into a new product of the same type, like using recycled aluminum cans to make new aluminum cans.

Secondary Recycling

The process of reusing materials in a way different from their initial purpose, often involving breaking down and re-manufacturing.