Question

about how old is the sun?
1.2 billion years
4.6 billion years
6.4 billion years
8.2 billion years

Explanation:

Based on scientific research and astronomical knowledge, the Sun is approximately 4.6 billion years old. This age is determined through various methods such as studying the isotopic composition of meteorites and the Sun's internal processes.

Answer:

4.6 billion years (corresponding to the second option in the multiple - choice list)