Gravitational Lenses

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Description

This lecture introduces the concept of gravitational lenses, focusing on the deflection angle in astrophysics, the lens equation, and its application to galaxies and the universe. It also covers the 1919 solar eclipse experiment confirming general relativity.

Official source

Ontological neighbourhood

Astronomy

Astrophysics: Physical cosmology, Stellar astronomy

Related lectures (28)

https://mediaspace.epfl.ch/media/0_j46fsznn

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In course

DEMO: anim veniam

Ontological neighbourhood

Astronomy

Astrophysics: Physical cosmology, Stellar astronomy

Related lectures (28)

Introduction to Astrophysics: Gravitational Lensing

Covers gravitational lensing in astrophysics, including deflection angle, Einstein radius, lens solution, and its application to galaxies and the universe.

Gravitational Lensing: Basics and Applications

Explores the basics of gravitational lensing, clarifying common misconceptions and providing explicit observational tests.

Gravitational Lensing Analysis

Covers the analysis of gravitational lensing in galaxy clusters, focusing on the mass distribution and precision achieved in the mass model of the galaxy cluster MACSJ0416.1-2403.

The Matter Content in the Universe

Explores the matter content in the universe, including galaxy mass, dark matter relics, and the history of the universe.

The Matter Content in the Universe

Explores the matter content in the universe, including dark matter mapping and exo-planets exploration.