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A. List of artificial objects on extraterrestrial surfaces. List of space artists. Astronaut ranks and positions.
Portal:Space/Intro/3 Space (or outer space) describes the vast empty regions between and around planets and stars. The study of these, and other, astronomical objects is called astronomy, one of the oldest sciences. It is often said that space exploration began with the launch of Sputnik 1, the first man-made object to orbit the Earth.
Outer space (or simply space) is the expanse beyond celestial bodies and their atmospheres. It contains ultra-low levels of particle densities, constituting a near-perfect vacuum [1] of predominantly hydrogen and helium plasma, permeated by electromagnetic radiation, cosmic rays, neutrinos, magnetic fields and dust.
F. Works set on fictional moons (5 C, 9 P) Works set on fictional planets (10 C, 14 P) Films set in outer space (16 C, 32 P)
144. OCLC. 6824625. The Complete Book of Outer Space is a 1953 collection of essays about space exploration edited by Jeffrey Logan. It first appeared as a magazine, published by Maco Magazine Corp. The first book publication was by Gnome Press in 1953 in an edition of 3,000 copies.
In physical cosmology, the Big Bang is the scientific theory that the universe emerged from a tremendously dense and hot state about 13.7 billion years ago. The theory is based on the observations indicating the expansion of space (in accord with the Robertson–Walker model of general relativity) as indicated by the Hubble redshift of distant ...
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