3 ms·
Which is relatively new compared to geological or cosmological time.
by stoobs 7y ago
Which is relatively new compared to geological or cosmological time.
- slavik81 7y agoIt's a while even on a geological time scale. By comparison, Pangea was a mere 175 million years ago. Half a billion years is 1/9th of the age of the Earth. Another half billion years in the future, geological changes are expected to have ended the carbon cycle, killing most plant life on Earth.