Wiki Directory
17 topics across 7 categories.
Stars(0)
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Black Holes(0)
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Galaxies(5)
Active Galactic Nuclei
An active galactic nucleus (AGN) is a compact region at the center of a galaxy that emits a significant amount of energ…
Galaxy Clusters
A galaxy cluster, or a cluster of galaxies, is a structure that consists of anywhere from hundreds to thousands of gala…
Galaxy Evolution
Galaxy evolution, rooted in $\Lambda$CDM cosmology, seeks to elucidate the <!--claim:2139-->formation and transformatio…
Galaxy Formation
In cosmology, the study of galaxy formation and evolution is concerned with the processes that formed a heterogeneous u…
Milky Way
The Milky Way or Milky Way Galaxy is the galaxy that includes the Solar System, with the name describing the galaxy's a…
Cosmology(12)
Baryon Acoustic Oscillations
In cosmology, baryon acoustic oscillations (BAO) are fluctuations in the density of the visible baryonic matter of the…
Cosmic Inflation
In physical cosmology, cosmic inflation, cosmological inflation, or just inflation, is a theory of exponential expansio…
Cosmic Microwave Background
The cosmic microwave background, or relic radiation, is microwave radiation that fills all space in the observable univ…
Cosmic Web
The large-scale structure of the universe is the term in cosmology for the character of matter distribution at the scal…
Dark Energy
In physical cosmology and astronomy, dark energy is a proposed form of energy that affects the universe on its largest…
Dark Matter
In astronomy and cosmology, dark matter is an invisible and hypothetical form of matter that does not interact with ele…
Gravitational Lensing
A gravitational lens is matter, such as a cluster of galaxies or a point particle, that bends light from a distant sour…
Hubble Constant
Hubble's law, officially the Hubble–Lemaître law, is the observation in physical cosmology that galaxies are moving awa…
Reionization
In the fields of Big Bang theory and cosmology, reionization is the process that caused electrically neutral atoms in t…
Spacetime
In physics, spacetime, also called the space-time continuum, is a mathematical model that fuses the three dimensions of…
Tidal Forces
The tidal force or tide-generating force is the difference in gravitational attraction between different points in a gr…
Wormholes
A wormhole is a hypothetical structure that connects disparate points in spacetime.
High Energy(0)
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Solar System(0)
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Methods(0)
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