The History of our Galaxy
By Time Travelers: Madeleine D. and Alex W.
Lets start at the Big Bang
The Big Bang
The Beginnning of the Solar System
The Story of Mother Earth
At the peak of the Jean- Saharan Ice age, there was a mass extinction. Near the end of the Devonian period of the Paleozico Era, there was another extinction, and another at the end of the Karoo Ice age. Around 203,000,000 years ago, Pangaea had meteorite collision causing another mass extinction and Pangaea to divide into 7 land masses. At the beginning of the Cenozico Era, there was a massive comet impact that caused a mass extinction.
Homo sapiens appear around 181,000 years ago. After that, human history took its cousre and the rest is history.