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The Big Bang is a physical theory that describes how the universe expanded from an initial state of high density and temperature. [1] The notion of an expanding universe was first scientifically originated by physicist Alexander Friedmann in 1922 with the mathematical derivation of the Friedmann equations.
The Cosmic Calendar is a method to visualize the chronology of the universe, scaling its currently understood age of 13.8 billion years to a single year in order to help intuit it for pedagogical purposes in science education or popular science.
The chronology of the universe describes the history and future of the universe according to Big Bang cosmology.. Research published in 2015 estimates the earliest stages of the universe's existence as taking place 13.8 billion years ago, with an uncertainty of around 21 million years at the 68% confidence level.
Pictures could also help tell some of the universe’s biggest secrets
The timeline of the early universe outlines the formation and subsequent evolution of the Universe from the Big Bang (13.799 ± 0.021 billion years ago) [1] to the present day. An epoch is a moment in time from which nature or situations change to such a degree that it marks the beginning of a new era or age .
The Big Question is a five-part science documentary television series broadcast in the United Kingdom on the Five channel, beginning January 2004 and continuing into 2005. . In the North American market, it has been re-released on the Discovery Science netwo
NASA released the first full-color images from the James Webb Space Telescope on Monday, images the space agency says are the deepest and highest resolution ever taken of the universe. The James ...
Radar can also accurately measure the position and track the movement of such bodies, specially when they are small, as comets and asteroids, as well as to determine distances between objects in the Solar System. In certain cases radar imaging has produced images with up to 7.5-meter resolution.