21. By the year 1,000,000, all of our glass products will have completely decomposed.
22. Roughly 7.8 million years from now, humankind will have gone extinct.
23. In the next 180 million years, Earth’s rotation will have slowed down enough to make each day one hour longer.
24. In about 250 million years, Earth’s continents will re-combine into one supercontinent.
25. 2.8 billion years from now the average temperature on Earth will reach 149°C (300°F).
