Why the visible universe is only a fraction of what exists
In short: The stars and galaxies we see are not the whole story. This video explores dark matter, the invisible force that shapes the large-scale structures of our universe through its indirect gravitational impact.
Astronomers have discovered that the observable universe is shaped by an unseen influence known as dark matter. Rather than seeing it directly, scientists detect its presence by observing how its gravity affects galaxies and other massive cosmic structures. The video examines the evidence for this phenomenon, including the role of gravitational lensing and the significance of the Bullet Cluster in understanding how this invisible substance operates.
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Sources
- Summary by Intellect · source: Dark Matter: Crash Course Astronomy #41
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