Discoveries through the years

1. The Universe is predicted to be how many years old? 13-14 billion years old.
2. The Earth is predicted to be how many billion years old? 13-14 billion years old.
3. First life began on Earth how many billion years ago? 1000 million years old
4. Humans as we know them have been around for just over how many million years? 15-20 million years
5. The correct model of Earth, Planets and Sun was discovered how many years ago?

   The discovery that the world wasn’t flat happened how many years ago? 2000 years ago

6. The realisations that there are galaxies beyond our own Milky way occurred how many years ago? 100000–120000 light-years
7. The discoveries of Plate Tectonics and DNA occurred how many years ago? About 200 million years ago