Κωστήρης Νίκος

Κωστήρης Νίκος

www.pythaim.phys.uoa.gr
Athens / Numbers Rule the Universe - Pythagoras of Samos
Κωστήρης Νίκος
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Astronomy illustrated in the 1840s

Mercury, Mars, Earth, Venus I 'The Beauty of the Heavens I Pictorial Display of the Astronomical Phenomena of the Universe' I 1842 I Charles F.

Over time, the space that makes up the universe is expanding. The words 'space' and 'universe', sometimes used interchangeably, have distinct meanings in this context. Here 'space' is a mathematical concept and 'universe' refers to all the matter and energy that exist. The expansion of space is in reference to internal dimensions only; that is, the description involves no structures such as extra dimensions or an exterior universe.

A diagram showing a timeline of the formation of the Universe from the Big Bang ± billion years ago through the "Dark Ages", formation of the earliest galaxies and stars, and the dark-energy dominated era.

The Standard Model

Fundamental particles and interactions. Image credit: NSF, DOE, LBNL, and the Contemporary Physics Education Project (CPEP).