The invisible architecture of our universe remains largely hidden from view
In short: Astrophysicist Neil deGrasse Tyson explains why everything we can see—stars, planets, and people—makes up less than 5% of the cosmos. This video explores the mysterious substances that dictate the structure of our reality.
While normal matter consists of the atoms forming visible objects, it accounts for only about 4.6 percent of the universe. The remaining vast majority is composed of dark matter and dark energy. Dark matter serves as the foundation for large-scale structures, providing the gravitational pull necessary to hold galaxies together despite being unable to emit, absorb, or reflect light.
Tyson examines various hypotheses regarding these elusive entities, including the possibility that dark matter—or 'dark gravity'—might originate from other universes within a multiverse. The video contextualizes these mysteries through the history of the WMAP and highlights recent developments in detection methods that could lead to significant scientific breakthroughs.
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Sources
- Summary by Intellect · source: Neil deGrasse Tyson: What is Dark Matter? What is Dark Energy?
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