2 ms·
> That's nothing! They determined that one valley formed 3.8 billion years ago, and the other one, 3.8 billion years plus or minus 10 minutes. Now that's what
by hulitu 2y ago
> That's nothing! They determined that one valley formed 3.8 billion years ago, and the other one, 3.8 billion years plus or minus 10 minutes.
Now that's what i call precision. How did they measured it ? With a pendulum ? /s