How long ago did the solar system form?

a. 5 million years

b. 5 billion years

c. 5 trillion years

5 Billion Years to form

Explanation:

Approximately 4.6 billion years ago, the solar system was a cloud of dust and gas known as a solar nebula. Gravity collapsed the material in on itself as it began to spin, forming the sun in the center of the nebula.