According to most accepted theory of the origin of our universe, the universe is?

Options

A. 10 billion year old.
B. 20 billion years old.
C. 14 billion years old.
D. 5 billion years old.

Answer

To solve the question regarding the origin of the universe according to the most accepted theory, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks about the age of the universe according to the most accepted theory of its origin.

2. **Identifying the Theory**: The most accepted theory regarding the origin of the universe is the Big Bang Theory. This theory explains that the universe began from a very hot and dense state and has been expanding ever since.

3. **Examining the Options**: The options provided are:
- Option 1: 10 billion years ago
- Option 2: 20 billion years ago
- Option 3: 14 billion years ago
- Option 4: 5 billion years ago

4. **Analyzing the Big Bang Theory**: According to the Big Bang Theory, the universe is estimated to be approximately 13.8 billion years old. When rounded, this value is commonly referred to as 14 billion years.

5. **Evaluating Each Option**:
- **Option 1 (10 billion years ago)**: This is incorrect as it is less than the estimated age of the universe.
- **Option 2 (20 billion years ago)**: This is also incorrect as it exceeds the estimated age.
- **Option 3 (14 billion years ago)**: This is correct as it aligns with the rounded estimate of 13.8 billion years.
- **Option 4 (5 billion years ago)**: This is incorrect as it refers to a specific hypothesis related to the formation of the Earth, not the universe.

6. **Conclusion**: The correct answer is **Option 3: 14 billion years ago**.