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Jan 12, 2022 · If the universe is infinite, there is nothing beyond it, by definition. A finite expanding universe conjures up the idea that it would have a boundary or edge, separating it from something...
May 15, 2024 · So, what is beyond the observable universe? The obvious answer to this is a big "we don't know". In fact, we will never truly know as it is, by definition, unobservable.
- James Felton
- What Is The Universe?
- The Curvature of The Cosmos
- A Matter of Perspective
- Additional Resources
To answer the question of what's outside the universe, we first need to define exactly what we mean by "universe." If you take it to mean literally all the things that could possibly exist in all of space and time, then there can't be anything outside the universe. Even if you imagine the universe to have some finite size, and you imagine something...
Cosmologists aren't sure if the universe is infinitely big or just extremely large. To measure the universe, astronomers instead look at its curvature. The geometric curve on large scales of the universe tells us about its overall shape. If the universe is perfectly geometrically flat, then it can be infinite. If it's curved, like Earth'ssurface, t...
When you imagine the universe, you might think of a giant ball that's filled with stars, galaxies and all sorts of interesting astrophysical objects. You may imagine how it looks from the outside, like an astronaut views Earth from a serene orbit above. But the universe doesn't need that outside perspective in order to exist. The universe simply is...
My book, "Your Place in the Universe," explores our evolving conception of the cosmos and our place within it, and is a great place to start your own journey. And the Harvard-Smithsonian Center for Astrophysics maintains a FAQ about the universe, which you can find here.
4 days ago · By definition, the Big Bang is the time when the scale factor was zero—everything was squeezed into a dimensionless point. During inflation, the scale factor increased with exponential speed ...
The multiverse is the hypothetical set of all universes. [a] Together, these universes are presumed to comprise everything that exists: the entirety of space, time, matter, energy, information, and the physical laws and constants that describe them. The different universes within the multiverse are called "parallel universes", "flat universes ...
2 days ago · Space. How big is the universe? The shape of space-time could tell us. We may never know what lies beyond the boundaries of the observable universe, but the fabric of the cosmos can tell us ...
People also ask
Is there a universe beyond the observable universe?
What's outside the universe?
What does multiverse mean?
Is the Big Bang an explosion?
What if the universe is not part of a larger multiverse?
Do we really know if a universe is unobservable?
1 day ago · More visualizations and connections between the science of nebulas and learners can be explored through other products produced by NASA's Universe of Learning such as ViewSpace, a video exhibit that is currently running at almost 200 museums and planetariums across the United States. Visitors can go beyond video to explore the images produced by space telescopes with interactive tools now ...
