Question

What is ment by type 2 civilisation... in how many years it could be possible?​

Answer 1

Answer:

A Type II civilization, also called a stellar civilization—can use and control energy at the scale of its planetary system. A Type III civilization, also called a galactic civilization—can control energy at the scale of its entire host galaxy.

Answer 2

Answer:

you should read from Wikipedia

Explanation:

sorry didn't get the answer