Question

The Earth, the Sun, and the rest of the solar system are almost unimaginably old when viewed on a human time scale. While modern humans first evolved approximately 200,000 years ago, the age of the Earth, the Sun, and the rest of the solar system is approximately _______ years.
a)4.6 billion
b)4.6 million
c)200,000
d) 100,000

Answer 1

The answer is A, 4.6 billion years old. The solar system was obviously formed after the big bang, and using the big bang theory and the birth of our sun, projections show that our solar system is at most 4.6 billion years old.