How long do humans live in reference to the time scale of the universe?
Almost nothing.
The age of the universe is roughly 14 billion years, and the existence of what we would call humans is only a few hundred years old.
Humans would emerge if the universe's age were reduced to one year:
It would be this for the unique and patriotic Homo Sapiens (200 thousand years):
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In reference to the time scale of the universe, human lifespan is extremely brief, typically lasting around 70-80 years on average. This duration is insignificantly short compared to the vastness of cosmic time, which spans billions of years.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
- Current scientific models say the Universe is still expanding. Are there any theories to explain what the Universe is expanding into?
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- Is it true that cosmic microwave background radiation is the image of the Big Bang?
- How does electromagnetic radiation affect plants?

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