When is it predicted that the world will end as we know it?
When is it predicted that the world will end as we know it? Predictions about the "end of the world as we know it" or Earth's demise focus on astronomical and geological events that would make the planet uninhabitable rather than specific dates for societal collapse . Long-term astronomical events: Sun's evolution: The most likely scenario for Earth's destruction is when the Sun exhausts its hydrogen fuel and expands into a red giant. This will engulf and vaporize the planet in approximately 7.59 billion years . Earth's oxygen depletion: Earth's breathable atmosphere is estimated to collapse around 1 billion years from now . This is due to changes in the Sun's radiation, making it uninhabitable for oxygen-dependent life forms. The heat death of the Universe: Ultimately, the Universe will end through "heat death," many billions of years after the Sun's demise. Energy will be evenly distributed throughout the Universe, making energ...