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That's entirely possible.
The earth is on a gently tilted access, which gives rise to seasons and weather changes, which in turns allows evolution and competitive strategy. Very rare.
Jupiter keeps many large bodies from impacting Earth. Rare.
The sun is at an optimum distance. Rare.
Our temperature and atmosphere have been relatively stable for over a billion years. Very rare.
Multicellular creatures evolved. Very rare.
Earth has one large moon. Rare.
Our solar system is on an outer arm of the galaxy. No nearby stars affect us. No galactic phenomena threaten us. Very rare.
"We" are in one 100,000 year period in over 3.8 billion. 1 in 38,000. No guarantees we survive ourselves. Very rare.
Odds of meeting us, 10 American sextillion (10,000,000,000,000,000,000,000) to 1. Since there are maybe 1 sextillion stars in the observable universe it stands that we could be alone.
How sad, a bunch of fuckups like humanity, holding the bag. I hope to hell we survive and get into space.
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