Question

explain what and why life on earth will send within the next 1 billion years?

Answer 1

Answer:

Beginning around 5 billion years from now, the Sun will expand, becoming a swollen star called a red giant. By 7.5 billion years in the future, its surface will be past where Earth's orbit is now. So the expanding Sun will engulf, and destroy, the Earth.

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Answer 2

Answer:

All things must pass. That includes life on Earth, which will surely be wiped out eventually. But how long does it have?

The fossil record tells us that life on Earth has lasted at least 3.5 billion years. In that time it has survived being frozen, clobbered by rocks from space, mass poisoning, and even lethal radiation. Clearly, it's hard to completely sterilise the planet