Redshift & Its Causes

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3. Causes Of Redshift

March 16, 2020

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There are three main causes of redshifts in astronomy and cosmology :

Doppler Effect

Hubble's Law

Gravitational Redshift

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1. Introduction

Red shift is a way that astronomers use to tell the distance of any object that is very far away in the universe. In physics, redshift is a phenomenon where electromagnetic radiation such as light from an object undergoes an increase in wavelength. Whether the radiation is visible or not, “redshift” means an increase in wavelength, equivalent to a decrease in wave frequency and the photon energy.

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3. Causes Of Redshift

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