Explore the origins and evolution of the universe.
The study of the origin, structure, and evolution of the universe.
The theory that the universe began from an extremely dense and hot state and has been expanding e...
The phenomenon where light from distant galaxies appears redder because they are moving away from...
The invisible matter that does not emit light but exerts gravitational forces on visible matter.
The mysterious force causing the accelerated expansion of the universe.
Remnant radiation from the Big Bang, almost uniformly distributed in all directions.
The time elapsed since the Big Bang, estimated to be around 13.8 billion years.
The fundamental force driving the formation, shape, and dynamics of astronomical bodies and systems.
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The study of the origin, structure, and evolution of the universe.
Cosmology
The theory that the universe began from an extremely dense and hot state and has been expanding ever since.
Big Bang Theory
The phenomenon where light from distant galaxies appears redder because they are moving away from us.
Redshift
The invisible matter that does not emit light but exerts gravitational forces on visible matter.
Dark Matter
The mysterious force causing the accelerated expansion of the universe.
Dark Energy
Remnant radiation from the Big Bang, almost uniformly distributed in all directions.
Cosmic Microwave Background Radiation (CMB)
The time elapsed since the Big Bang, estimated to be around 13.8 billion years.
Age of the Universe
The fundamental force driving the formation, shape, and dynamics of astronomical bodies and systems.
Gravity in Cosmic Structures
Portion of the entire universe that can be observed from Earth.
Observable Universe
The process through which matter in the universe cooled and began to clump together to form galaxies.
Formation of Galaxies After the Big Bang
A theory suggesting a period of extremely rapid (exponential) expansion of the universe during its early moments.
Theory of Inflation
Stellar remnants with immense gravity, affecting the structure and evolution of galaxies.
Black Holes in Cosmology
Hypotheses proposing the existence of multiple or an infinite number of universes.
Multiverse Theories
The ultimate destiny of the universe, determined by its density and rate of expansion.
Fate of the Universe
The rate of expansion of the universe, key to determining its age and size.
Hubble Constant
Einstein's theory explaining gravity as the curvature of spacetime by matter and energy, foundational to modern cosmology.
General Relativity in Cosmology
The limit or boundary of the observable universe beyond which we cannot obtain information.
Cosmic Horizon
Ripples in spacetime caused by violent events, providing new ways to observe the universe.
Gravitational Waves in Cosmology
The large-scale arrangement of matter in the universe, including galaxies, clusters, and superclusters.
Structure of the Universe
The study of how the universe's four fundamental forces--gravity, electromagnetism, strong nuclear, and weak nuclear--shape its evolution.
Cosmology and Fundamental Forces
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