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1 day ago · The physical universe is defined as all of space and time (collectively referred to as spacetime) and their contents. Such contents comprise all of energy in its various forms, including electromagnetic radiation and matter, and therefore planets, moons, stars, galaxies, and the contents of intergalactic space.
4 days ago · Multiverse ideas gained scientific weight in the 1980s with the invention of inflation, a period when the early universe suddenly expanded.Inflation explains why the cosmos is so flat and smooth ...
2 days ago · Suppose R(t) is called the scale factor of the universe, and increases as the universe expands in a manner that depends upon the cosmological model selected. Its meaning is that all measured proper distances D ( t ) between co-moving points increase proportionally to R .
3 days ago · We explore just that in the Short Wave Space Camp series. It's a 10-part episodic journey through the changing universe with Short Wave hosts Regina Barber and Emily Kwong. We start with how to ...
3 days ago · "By flying past and amongst the pillars, viewers experience their three-dimensional structure and see how they look different in the Hubble visible-light view versus the Webb infrared-light view," explained principal visualization scientist Frank Summers of the Space Telescope Science Institute (STScI) in Baltimore, who led the movie development team for NASA's Universe of Learning.
4 days ago · multiverse, a hypothetical collection of potentially diverse observable universes, each of which would comprise everything that is experimentally accessible by a connected community of observers.
3 days ago · Today, physicists can look proudly upon a vast tower of ideas and equations that closely predict how reality works at almost every level, from the grand narrative of the origins and evolution of the universe to the minutiae of the elementary particles that comprise it.
