Fascinating Facts
Along the way, you'll encounter intriguing tidbits that put the grand scale of this story in perspective, such as:
The entire expanse of human civilization—5,000 years—makes up a mere 2 percent of the human experience.
Approximately 98 percent of human history occurred before the invention of agriculture.
All the matter we know of in the Universe is likely to be no more than 1 billionth of the actual matter that was originally created.
The Earth's Moon was probably created by a collision between the young Earth and a Mars-sized protoplanet.
At present, we cannot drill deeper than about 7 miles into the Earth, which is just 0.2% of the distance to the center (4,000 miles away).
Between 1000 C.E. and 2000 C.E., human populations rose by a factor of 24.
Traveling in a jet plane, it would take 5 million years to get from our solar system to the next nearest star.
The Story We Tell about Ourselves
"To understand ourselves," says Professor Christian, "we need to know the very large story, the largest story of all." And that, perhaps, is one of the greatest benefits of Big History: It provides a thought-provoking way to help us understand our own place within the Universe.
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