A Particular Star in a Binary Star System Orbits the Other

question 141

Multiple Choice

A particular star in a binary star system orbits the other in an elliptical orbit with a semimajor axis of 3 au and a period of 5 years. What is the sum of the masses of the two stars in the system?

• A) 0.9
• B) 1.1
• C) 13.9
• D) 0.07

---

Definitions:

British Tweeds

A type of woolen fabric originated from the UK, known for its quality and durability.

Pounds Sterling

The official currency of the United Kingdom, which is also used in other territories and dependencies.

Temporal Method

An exchange rate conversion method used in financial reporting where monetary assets and liabilities are converted at current rates and non-monetary items at historical rates.

Canadian Dollars

Canadian dollars (CAD) refer to the official currency of Canada, which is used for all transactions within the country.