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observable universe
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Examine the observable universe's place within the whole universe
Discover the difference between the observable universe and the whole universe
first image from James Webb Space Telescope: galaxy cluster SMACS 0723 Wilkinson Microwave Anisotropy Probe
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Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
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Spiral Galaxy type Sa-Sb or Sa/Sb in the constellation Virgo. The majestic Sombrero Galaxy Messier 104 (M104) or NGC 4594. The team took six pictures of the galaxy, stitched them together to create the final composite image. Photo from May-June 2003
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Videos

Examine the observable universe's place within the whole universe
Learn about defining and measuring the observable universe within the “whole” universe.
Video: © MinutePhysics (A Britannica Publishing Partner)
Discover the difference between the observable universe and the whole universe
Learn about the distinction between the observable universe and the whole universe.
Video: © MinutePhysics (A Britannica Publishing Partner)

Images

first image from James Webb Space Telescope: galaxy cluster SMACS 0723
The first image from NASA's James Webb Space Telescope, the deepest and sharpest...
NASA, ESA, CSA, and STScI
Wilkinson Microwave Anisotropy Probe
A full-sky map produced by the Wilkinson Microwave Anisotropy Probe (WMAP) showing...
NASA/WMAP Science Team
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