The physical universe is defined as all of space and time (collectively referred to as spacetime) and their contents. Not in the way you might be insinuating they are. Time Before Time By Phil Berardelli Jul.
Over time, galaxies merged together and grew, but small, faint galaxies still remain today. Einstein famously said, "The most incomprehensible thing about the universe is that it is comprehensible." In the past, when telescopes where weaker, detectors were non existent, one believed that only the Milky Way was the Universe. 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.
Ripples frozen in space at the instant of inflation formed the seeds from which galaxies and all later structure grew.
The WMAP satellite measures these small fluctuations … This banner text can have markup.. web; books; video; audio; software; images; Toggle navigation Most cosmologists believe that the galaxies that we observe today grew from the gravitational pull of small fluctuations in the nearly-uniform density of the early universe. They believed that light sources in the sky were all stars. Science has discovered a lot about it, including how it grew from the initial big bang about 14 billion years ago to the stars, galaxies and nebulae we see today, and the billions more that exist beyond our sight. Starting in about 1913, new large telescopes and advances in photography and spectroscopy, the study of the particular colors making up a beam of light, allowed astronomers to observe and begin measuring a reddening of the light from distant galaxies. Take an Intimate Look at the Universe. Cosmologists now realize that Earth and the Sun do not occupy any special position in the universe.
These fluctuations leave an imprint in the cosmic microwave background radiation in the form of temperature fluctuations from point to point across the sky. It began with enormous heat and energy concentrated at a point of space.
The universe will expand forever at an accelerating rate. The universe is our vast, complex and mysterious home. 5, 2007 , 12:00 AM A cosmologist has created a mathematical model that he says shows space-time, contrary to …
Page 22 of 52 - Origin of the Universe,,,,Bang or no Bang - posted in Astronomy and Space: Gday from the land of ozzzModest my statement comes from deep field obseravyion such as the million second images that indicate 10,000 galaxies in a very small area of dark space.
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