Summary
These models suggest the Earth’s living world could start to fade in a very long time.
The estimate is between one hundred million and nine hundred million years from now.
That is far beyond any human lifetime.
Key Points
3 points1
Researchers used simple climate simulations.
2
They estimate the end of life could be 100–900 million years away.
3
The term "biosphere twilight" means the time when living things disappear.
New Words to Learn
4 wordsbiosphere
All the plants, animals, and other living things on Earth
twilight
A period when something is ending, like the end of life on Earth
climate models
Computer programs that predict how weather and temperature might change
million
A number that is one thousand thousand
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