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People spend thier entire natural lives looking for this answer. At best we know of a Big Bang that happened billions of years ago that pushed all matter known apart. According to theory everything in the universe started as a speck of matter about the size of a grain of sand if not smaller and something happened to push all of that outward into infinity. We probably never will know the true orgin of our universe and how vast it really is. Hope this helps a little.

2007-01-05 04:50:49 · answer #1 · answered by Anonymous · 0 0

There is a good scientific explanation for the evolution of the Universe from a time that is a fraction of a second after the Big Bang. The cause of the Big Bang itself is unexplained, and indeed our current understanding of physics fails at about an attosecond after the Big Bang. This may be due to there not (yet) being a unified theory of quantum mechanics and gravity.

Starting a fraction of a second after the Big Bang, the theory and the explanations are pretty good. At that time, the Universe was extremely hot and extremely dense. It expanded and cooled. Within the first three minutes, it became cool enough for atomic nuclei to form. Within the first 400,000 years, it became cool enough for atoms to form. Within the first 100,000,000 years, it became cool enough for stars to form. Then galaxies, and clusters of galaxies, leading to the Universe we see today.

What happened at the time of the Big Bang, and before (if there was any such time) is unknown. There are theories, but they are all speculative. It is thought that in an empty, inflating space filled with minimum-energy fields, Big Bangs may occur spontaneously every once in a long, long, long while. The final state of our Universe may indeed be such a space.

2007-01-05 04:54:38 · answer #2 · answered by cosmo 7 · 0 0

The Big Bang consisted of an explosion of light. from the light particles hydrogen developed. Hydrogen atoms tend to attract to each other forming Nebulas the hydrogen continues to ball up from nebulas forming stars as the hydrogen gets denser causing helium to form the dense hydrogen and helium make a fuel that ignites that starts stars the collective of stars form galaxies and then gravity causes all this stuff to collide with each other forming planets and other stuff like moons and comets

2007-01-05 06:27:44 · answer #3 · answered by Tommiecat 7 · 0 0

It was formed by certain kinds of gases that would form nebula s and galaxy's. Those nebula s were stars and those stars can make new gases that will form planets and yes indeed they made planets. Our earth had the perfect distance to maintain the sun. Galaxy's are formed from that gas but it takes over one quadrillion years to form one galaxy. The milky way is a planet that probably formed from a big bang . and others were from a exhilaratingly gas.

2007-01-05 05:02:01 · answer #4 · answered by Smarcher7623 2 · 0 0

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 galaxies taken together with the cosmological principle.

The universe can be described as the sum of all matter and energy that exists and the space-time in which they are located and in which all events occur or could occur. It is described by physics based on empirical observations of the basic components of the universe and their interactions. These observations are explained by the postulation of fundamental theoretical principles and laws that govern matter, energy, space, and time. They are constantly tested empirically. Philosophy deals the philosophical notion of the world and is not empirical.

The word "universe" is derived from the Old French univers, which in turn comes form the Latin roots unus ("one") and versus (a form of vertere, "to turn").

Physical cosmologists study the large-scale structure of the universe, and seek to answer fundamental questions about its formation and evolution.

To theoretical cosmologists, a universe (lower case "u") is a speculative model of all of space-time which is connected together, including all matter and energy in it and space-time events. This model is either required to be consistent with that part of space-time that can be seen or otherwise observed to have occurred by empirical observation, or it can be a more general, hypothetical model. This observable part of space-time can be referred to as the Universe (upper case "U"), the known universe, observable universe, or visible universe and is studied by observational cosmologists. The term the Universe sometimes refers to the theoretical model of which the observable universe is only a small part.[citation needed]

Cosmologists believe that it is impossible to observe the whole continuum and frequently use the expression our universe, referring either to that which is knowable by human beings, or to the speculative full model of space-time (the meaning is usually clear from the context).

If a version of the cosmic inflation scenario is correct, then there is no known way to determine whether the (theoretical) universe is finite or infinite, and the observable Universe is just a tiny speck of the (theoretical) universe. Some theorists extend their model of "all of space-time" beyond a single connected space-time to a set of disconnected space-times, or multiverse.

Extrapolated into the past, these observations show that the universe has expanded from a state in which all the matter and energy in the universe was at an immense temperature and density. Physicists do not widely agree on what happened before this, although general relativity predicts a gravitational singularity (for reporting on some of the more notable speculation on this issue, see cosmogony).

The term Big Bang is used both in a narrow sense to refer to a point in time when the observed expansion of the universe (Hubble's law) began — calculated to be 13.7 billion (1.37 × 1010) years ago (±2%) — and in a more general sense to refer to the prevailing cosmological paradigm explaining the origin and expansion of the universe, as well as the composition of primordial matter through nucleosynthesis as predicted by the Alpher-Bethe-Gamow theory.[1]

From this model, George Gamow in 1948 was able to predict, at least qualitatively, the existence of cosmic microwave background radiation (CMB).[2] The CMB was discovered in 1964[3] and further corroborated the Big Bang theory, giving it an additional advantage over its chief rival, the steady state theory.[4]

2007-01-05 04:56:29 · answer #5 · answered by misscali4nia03 2 · 0 0

This is a question that only the science world knows how to answer. For us simple people who only rely on faith we just dont really know. However, there must have been a very carefully planned and inteligently designed system of such complexity that we can only rely on our Creator to explain it to us.

2007-01-05 05:19:00 · answer #6 · answered by goring 6 · 0 0

Most people say it was the "Big Bang" theory, but they are wrong. But I ain't gonna tell U that I am gonna tell U the truth.

It was GOD that created everything.

2007-01-05 10:27:44 · answer #7 · answered by Andrea luvs u...maybe...lol 3 · 0 0

Are you serious? The most popular theory is the Big Bang:

http://en.wikipedia.org/wiki/Big_bang

2007-01-05 04:50:15 · answer #8 · answered by Anonymous · 1 0

big bang.. which technically was elvis' fart. all those rhinestones and semi precious jewels flying into the deep regions of space.. sparkling.. and forming into their own worlds with the gases from his colon...

how beautiful it is.

it's a little known fact... most are insulted by it but we know it was elvis.. he started it all remember?

2007-01-05 05:38:18 · answer #9 · answered by Anonymous · 0 1

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