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I always think of space-time as being the real substance of space, and the galaxies and the stars just like the foam on the ocean.
George Smoot
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Interpretation

What this quote means

Space-time is the fundamental reality, while galaxies and stars are mere surface phenomena.

In this quote, George Smoot emphasizes the significance of space-time as the core fabric of the universe, suggesting that while galaxies and stars are visible and tangible, they are merely superficial aspects of a deeper, more complex reality. By likening stars and galaxies to the foam on an ocean, he highlights how the vastness of space-time underpins everything we observe in the cosmos, illustrating the relationship between the fundamental forces of nature and the structures it gives rise to.

Themes

SpaceTimeUniverseGalaxiesStarsCosmosSubstance

In practice

Example use cases

In a documentary about the universe, using this quote can illustrate the nature of space and time.

More from George Smoot

The big bang, the most cataclysmic event we can imagine, on closer inspection appears finely orchestrated.
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