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Do Universe Have End?

James H. Sterling • • 6 min read
Do Universe Have End?

The universe, being all there is, is infinitely big and has no edge, so there's no outside to even talk about. Oh, sure, there's an outside to our observable patch of the universe. The cosmos is only so old, and light only travels so fast. ... The current width of the observable universe

observable universe
The comoving distance from Earth to the edge of the observable universe is about 14.26 gigaparsecs (46.5 billion light-years or 4.40×1026 m) in any direction. The observable universe is thus a sphere with a diameter of about 28.5 gigaparsecs (93 billion light-years or 8.8×1026 m).
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is about 90 billion light-years.

Does the universe ever end?

Scientists now consider it unlikely the universe has an end – a region where the galaxies stop or where there would be a barrier of some kind marking the end of space. But nobody knows for sure.

How long until the universe ends?

22 billion years in the future is the earliest possible end of the Universe in the Big Rip scenario, assuming a model of dark energy with w = −1.5. False vacuum decay may occur in 20 to 30 billion years if Higgs boson field is metastable.

James H. Sterling
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James H. Sterling

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.