STARS Stars and galaxies began to form about one billion years following(prenominal) the Big Bang, and since then the origination has simply continued to entreat larger and cooler, creating conditions conducive to life. Three excellent reasons exist for stimulate in the big-bang theory. First, and most obvious, the founding is expanding. Second, the theory predicts that 25 role of the total mass of the universe should be the helium that read during the first few minutes, an amount that agrees with observations. Finally, and most convincing, is the presence of the cosmic background radiation.
The big-bang theory predicted this remnant radiation, which now glows at a temperature just 3 degrees above absolute zero, well rather radio astronomers chanced upon it. Friedmann made two simple assumptions about the universe: that when viewed at large enough scales, it appears the same both in every direction and from every location. From these assumptions (called the cosmological principle) ...If you want to lie with a full essay, order it on our website:
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