Скачать или смотреть Spacetime का ताना-बाना क्या है? और गुरुत्वाकर्षण इसे कैसे मोड़ता है?What Actually Is Space And Time?

S06E10 Mystery Of Space Time

This summary encapsulates the "Mystery of Spacetime" episode from "How the Universe Works":
Spacetime Basics:
Spacetime unifies three spatial dimensions and time into a four-dimensional continuum.
Einstein's General Relativity shows spacetime's curvature, which we perceive as gravity.
Mass and energy warp spacetime, dictating how objects move.
Gravity and Expansion:
Gravity is the curvature of spacetime caused by mass and energy.
The universe's expansion is the expansion of spacetime itself.
This expansion has implications for the universe's fate.
The Big Bang and Gravitational Waves:
Spacetime expansion is central to the Big Bang theory, including cosmic inflation.
Gravitational waves, detected by LIGO, confirm spacetime's dynamic nature.
Unresolved Mysteries:
Dark energy's nature and its relationship with spacetime remain unknown.
A theory of quantum gravity is needed to reconcile General Relativity and quantum mechanics.
The eventual fate of the universe is still debated.
Key takeaway:
Spacetime is the fundamental fabric of the universe, and understanding it is crucial for understanding the cosmos.






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