# \#universe

**URL:** https://teo9i.com/tag/universe/400.md

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## [What Is The Universe Expanding Into?](https://teo9i.com/t/what-is-the-universe-expanding-into/7455)

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**Author:** [@REALITY](https://teo9i.com/u/REALITY)\
**Replies:** 0\
**Last updated:** [February 15, 2025, 8:03pm UTC](https://teo9i.com/t/what-is-the-universe-expanding-into/7455 "2025-02-15T20:03:22Z")

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## [What Came Before The Big Bang?](https://teo9i.com/t/what-came-before-the-big-bang/6907)

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**Author:** [@REALITY](https://teo9i.com/u/REALITY)\
**Replies:** 0\
**Last updated:** [June 28, 2024, 7:58pm UTC](https://teo9i.com/t/what-came-before-the-big-bang/6907 "2024-06-28T19:58:00Z")

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## [Does light itself truly have an infinite lifetime?](https://teo9i.com/t/does-light-itself-truly-have-an-infinite-lifetime/6644)

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**Author:** [@REALITY](https://teo9i.com/u/REALITY)\
**Replies:** 0\
**Last updated:** [April 19, 2024, 9:47pm UTC](https://teo9i.com/t/does-light-itself-truly-have-an-infinite-lifetime/6644 "2024-04-19T21:47:18Z")

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Does light itself truly have an infinite lifetime? In all the Universe, only a few particles are eternally stable. The photon, the quantum of light, has an infinite lifetime. Or does it? By firing a pulse of light at a…

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## [What Is The Biggest Thing In The Universe?](https://teo9i.com/t/what-is-the-biggest-thing-in-the-universe/6631)

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**Author:** [@REALITY](https://teo9i.com/u/REALITY)\
**Replies:** 0\
**Last updated:** [April 18, 2024, 7:10pm UTC](https://teo9i.com/t/what-is-the-biggest-thing-in-the-universe/6631 "2024-04-18T19:10:33Z")

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