What is equal to 1 cosmic year?

Question

100,000 Earth years

250 million Earth years

65 million Earth years

250 billion Earth years

Answer 1

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.