Click the link below the picture
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Key Takeaways
- Here on Earth, our entire planet is a little under 13,000 kilometers in diameter, or about seven orders of magnitude greater than the size of a human.
- But as we go up, to larger and larger scales, we find that stars, stellar systems, star clusters, galaxies, clusters of galaxies, and more show us how insignificant human, and even planetary, scales truly are.
- Even with all we know, the vast abyss of the unobservable Universe is larger than the cumulative suite of all we can see. These images show how big the cosmic scale truly is.
Within this Universe, we’re merely a drop in the cosmic ocean.
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From a pre-existing state, inflation predicts that a series of universes will be spawned as inflation continues, with each one being completely disconnected from every other one, separated by more inflating space. One of these “bubbles,” where inflation ended, gave birth to our Universe some 13.8 billion years ago, where our entire visible Universe is just a tiny portion of that bubble’s volume. Each individual bubble is disconnected from all of the others (Credit: Nicolle Rager Fuller)
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Click the link below for the article:
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James' World 2 
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