Concept

Static universe

Related lectures (31)

The Universe: Describing Size, Mass-Energy, Geometry, and Evolution

Explores the Universe's size, mass-energy, geometry, and evolution, including redshift effects and accelerating expansion.

Cosmological Evolution: Matter and Radiation

Covers the evolution of the universe with a focus on matter and radiation contributions.

Dark Energy and Cosmological Constant

Explores dark energy, the cosmological constant, and their impact on the universe's expansion under various scenarios.

Cosmological Constraints on Neutrino Masses

Explores Boltzmann H-theorem, entropy conservation, neutrino freezing, nucleosynthesis, and cosmological constraints.

Nucleosynthesis and Neutrino Decoupling

Explores entropy evolution, temperature changes, element creation, and neutrino decoupling in the early Universe.

Untitled

Plasma State: Properties and Effects

Covers the definition and properties of plasma, including ionization and collective effects.

Photon Propagation: Light and Spectra

Explores photon propagation, light emission and reception, energy, spectra, flux, intensity, Doppler and red-shift, and universe expansion.

Thermal history of the Universe

Explores the evolution of the Universe, from its early stages to the present, covering topics such as astroparticle physics and the thermal history.

Cosmological Puzzles: Dark Matter and Energy

Explores fundamental cosmological puzzles related to dark matter and energy.

Radio Interferometry: The Universe At Radio Wavelengths

Explores radio interferometry, MeerKAT telescope, imaging vs. single measurement, and Fourier transform in radio astronomy.

Untitled

Observable Universe: Contents and Properties

Explores the contents and properties of the observable universe, including galaxy sizes, mass, and morphologies.

Quantum Physics II: Operator or Density Matrix

Explores operator, density matrix, subsystems, states, and system evolution in quantum physics.

Big Bang Theory Foundations

Explores the foundations of the Big Bang Theory, including thermal equilibrium, radiation-dominated stage, and the prediction of the Cosmic Microwave Background (CMB).

Dark Matter Candidates

Explores dark matter candidates like sterile neutrinos, axions, and WIMPs, discussing their properties and implications on the Universe.

Observable Universe: Contents and Properties

Explores the 3D distribution of galaxies, galaxy clustering, and the cosmic microwave background, shedding light on the observable universe's contents and properties.

Inflation and Cosmology

Explores inflation, quantum fluctuations, scalar fields, and their impact on the universe's structure formation.

Gravitational Lenses

Covers gravitational lenses, deflection angle, lens equation, and their application to galaxies and the universe.

Relativity and Cosmology II

Explores the expanding Universe, red shift, and General Relativity implications.