Cosmic Calendar
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Last updated over 3 years ago
3 questions
1
What are FIVE major events in the history of the UNIVERSE?
What are FIVE major events in the history of the UNIVERSE?
1
The Big Bang occurred 13.7 billion years ago. When do you think Earth was formed?
The Big Bang occurred 13.7 billion years ago. When do you think Earth was formed?
1
How long ago do you think life began on Earth?
How long ago do you think life began on Earth?