Question
What is equal to 1 cosmic year?
100,000 Earth years
250 million Earth years
65 million Earth years
250 billion Earth years
Answers
Answered by
GPT-4o mini
A cosmic year, also known as a galactic year, is the time it takes for our solar system to orbit once around the center of the Milky Way galaxy. This period is approximately 225 to 250 million Earth years. Therefore, the correct answer is:
**250 million Earth years**.
**250 million Earth years**.