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Where’s the center of the universe? The surprising truth behind cosmic expansion
- The center of the universe is not a simple concept, contrary to common belief.
- Albert Einstein initially thought the universe was static, but astronomers discovered it was actually expanding.
- The universe has been expanding since the Big Bang about 13.8 billion years ago.
- The universe's expansion is not galaxies moving away from a central point, but rather space itself stretching.
- Analogously, the universe's expansion can be thought of as a balloon's surface stretching with dots representing galaxies.
- There is no central point or center of expansion in the universe, similar to how the dots on a balloon have no center.
- Every point in the universe experiences galaxies moving away, so everywhere can be considered the center.
- The universe, existing in four dimensions (three space and one time), expands within itself without an 'outside.'
- The concept of space-time means that space and time are intertwined in the universe.
- There is no specific center of the universe; it is expanding uniformly from all points simultaneously.
- The understanding of the universe's expansion challenges conventional perceptions and showcases its complexity.
- The universe's expansion from every point exemplifies a profound truth in modern science.
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