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tiny particle, which then exploded forming the universe

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Q: According to the big bang theory the universe was once a very?
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What does it mean when someone says the universe is expanding?

Two answers from me. 1. There is more room for possibilities. 2. The big bang theory and how it all went from one little speck to the universe. The discovery channel actually had a show on this once.


What is the Big Bang Theory and what does it attempt to explain?

The big Bang Theory explains that the universe started as nothingness and the nothingness expanded somehow and made a big bang.that is how all of the galaxies and worlds were made. x x x xThe light distance galaxies shows that clusters of galaxies are all moving away from each other. The universe is big and getting bigger. space itself is expanding.Imagine filming this expanding universe. If you ran the film backwards. You could see how it all began. the universe once had no size at all. It burst into existence from nothing. It is incredibly hot. This is called big bang theory.:)the big bang theory explains how the universe was createdThe Big Bang is one of the theories on how the Earth was formed.


What is the relationship between cosmic background and the big bang theory?

The cosmic background radiation refers to the faint radiation left over from the early stages of the universe, which was discovered and studied in the 1960s. It is considered a major piece of evidence supporting the Big Bang theory. This radiation is consistent with predictions made by the Big Bang theory and provides strong evidence that the universe was once in a highly dense and hot state.


What is a simple explanation for the Big Bang Theory?

Big Bang Cosmology states that our Universe has, over the last 13 billion years or so, been expanding such that the distance between every point in our Universe to every other such point is increasing. There is no center out of which matter came, no explosion, no "bang" -- just an ongoing expansion of distance between all points within our Universe. This theory has overwhelming evidence to support it, and any competing idea is reduced to stating, "I can't explain why we see what we see -- we just do." The theory makes no statement whatsoever on how this expansion started, or what happened "before" the start of this expansion.


How does big bang theory originate earth?

One of the most persistently asked questions has been: How was the universe created? Many once believed that the universe had no beginning or end and was truly infinite. Through the inception of the Big Bang theory, however,no longer could the universe be considered infinite. The universe was forced to take on the properties of a finite phenomenon, possessing a history and a beginning. About 15 billion years ago a tremendous explosion started the expansion of the universe. This explosion is known as the Big Bang. At the point of this event all of the matter and energy of space was contained at one point. What exisisted prior to this event is completely unknown and is a matter of pure speculation. This occurance was not a conventional explosion but rather an event filling all of space with all of the particles of the embryonic universe rushing away from each other. The Big Bang actually consisted of an explosion of space within itself unlike an explosion of a bomb were fragments are thrown outward. The galaxies were not all clumped together, but rather the Big Bang lay the foundations for the universe. The origin of the Big Bang theory can be credited to Edwin Hubble. Hubble made the observation that the universe is continuously expanding. He discovered that a galaxys velocity is proportional to its distance. Galaxies that are twice as far from us move twice as fast. Another consequence is that the universe is expanding in every direction. This observation means that it has taken every galaxy the same amount of time to move from a common starting position to its current position. Just as the Big Bang provided for the foundation of the universe, Hubbles observations provided for the foundation of the Big Bang theory. Since the Big Bang, the universe has been continuously expanding and, thus, there has been more and more distance between clusters of galaxies. This phenomenon of galaxies moving farther away from each other is known as the red shift. As light from distant galaxies approach earth there is an increase of space between earth and the galaxy, which leads to wavelengths being stretched. In addition to the understanding of the velocity of galaxies emanating from a single point, there is further evidence for the Big Bang. In 1964, two astronomers, Arno Penzias and Robert Wilson, in an attempt to detect microwaves from outer space, inadvertently discovered a noise of extraterrestrial origin. The noise did not seem to emanate from one location but instead, it came from all directions at once. It became obvious that what they heard was radiation from the farthest reaches of the universe which had been left over from the Big Bang. This discovery of the radioactive aftermath of the initial explosion lent much credence to the Big Bang theory. Even more recently, NASAs COBE satellite was able to detect cosmic microwaves eminating from the outer reaches of the universe. These microwaves were remarkably uniform which illustrated the homogenity of the early stages of the universe. However, the satillite also discovered that as the universe began to cool and was still expanding, small fluctuations began to exist due to temperature differences. These flucuatuations verified prior calculations of the possible cooling and development of the universe just fractions of a second after its creation. These fluctuations in the universe provided a more detailed description of the first moments after the Big Bang. They also helped to tell the story of the formation of galaxies which will be discussed in the next chapter. The Big Bang theory provides a viable solution to one of the most pressing questions of all time. It is important to understand, however, that the theory itself is constantly being revised. As more observations are made and more research conducted, the Big Bang theory becomes more complete and our knowledge of the origins of the universe more substantial.

Related questions

Does oscillation of universe occur in your universe only or there are more universes?

This is "The theory" which may also explain the acceleration, that is taking place in the universe. Our universe is surrounded by some 4 such universes, probably four pre big bang masses. In turn the four pre big bang masses are surrounded by four universes. Those universes are surrounded again four pre big bang masses. So one universe is surrounded by four pre big bang masses and one pre big bang mass is surrounded by four universes. You can find the structure of carbon atoms in case of diamond to imagine the same. So your universe is getting acceleration due to gravitational forces of the four pre big bang masses and other universes. So there is probably nothing like 'Dark energy", which "Push" the universe. But there are probably four "Pre big bang masses" and other universes, which are "Pulling" your universe from the "Out side" to give acceleration to your universe. It may take another billions of years, for your universe to "Fall", on those pre big bang masses. Once your universe "Fall" on such pre big bang masses, that will initiate "Big bang" there in those pre big bang masses. This theory also explains to why the acceleration in expansion of the universe did not start from the starting of the big bang. The big bang started at the point, where the gravitational force of the outer universes was zero, like Lagrangian points. Once your universe started to expand, it drifted more and more from this zero gravity point. That gave an opportunity to outer pre big bang masses and universes to pull your universe apart, giving it an acceleration.


What does it mean when someone says the universe is expanding?

Two answers from me. 1. There is more room for possibilities. 2. The big bang theory and how it all went from one little speck to the universe. The discovery channel actually had a show on this once.


What is logical explanation for acceleration in expansion rate of the universe?

* The Doppler Effect provides evidence that the universe is expanding. However, the redshift observed may be due to light climbing out of a gravity well (a star). Bigger stars can been seen from further away. Bigger stars have a greater redshift (due to size of the greater gravity well). So maybe the Universe doesn't expand as we were lead to believe? Or maybe it does.


Will the Big Bang happen again?

Good question by the way. Well, since the universe is infinite and if the big bang happened just once in infinity, then it has the ability to happen an infinite number of times. Which is why I dont suscribe to the theory. == Possibly. Right after the Big Crunch.


What is the Big Bang Theory and what does it attempt to explain?

The big Bang Theory explains that the universe started as nothingness and the nothingness expanded somehow and made a big bang.that is how all of the galaxies and worlds were made. x x x xThe light distance galaxies shows that clusters of galaxies are all moving away from each other. The universe is big and getting bigger. space itself is expanding.Imagine filming this expanding universe. If you ran the film backwards. You could see how it all began. the universe once had no size at all. It burst into existence from nothing. It is incredibly hot. This is called big bang theory.:)the big bang theory explains how the universe was createdThe Big Bang is one of the theories on how the Earth was formed.


Why does nothing started to form into something?

if you mean "why did the big bang occur?" then here goes: there are many popular ideas as to how the big bang theory started. 1: God that's right, God. The original idea for the big bang theory was composed by a christian priest who reasoned that for the universe to spontanteously create itself it had to be directed by a higher power (ie. god). 2: The existence of attracting forces outside of the universe according to one theory, the point that once was the universe started expanding when some clouds of energy exerted a pulling force on the point. I do not know much about this theory, but from logical deduction it leads to the belief in multiple universes, something larger than the universe and matter, and several other advanced concepts. 3: it just happened "I don't know... just cause" 4: it never happened the last theory is interesting to think about. it says that time is infinite and started an infinite amount of time ago, therefore the universe started an infinite amount of time ago and never actually could have been "created".


What is the relationship between cosmic background and the big bang theory?

The cosmic background radiation refers to the faint radiation left over from the early stages of the universe, which was discovered and studied in the 1960s. It is considered a major piece of evidence supporting the Big Bang theory. This radiation is consistent with predictions made by the Big Bang theory and provides strong evidence that the universe was once in a highly dense and hot state.


What is a simple explanation for the Big Bang Theory?

Big Bang Cosmology states that our Universe has, over the last 13 billion years or so, been expanding such that the distance between every point in our Universe to every other such point is increasing. There is no center out of which matter came, no explosion, no "bang" -- just an ongoing expansion of distance between all points within our Universe. This theory has overwhelming evidence to support it, and any competing idea is reduced to stating, "I can't explain why we see what we see -- we just do." The theory makes no statement whatsoever on how this expansion started, or what happened "before" the start of this expansion.


How does big bang theory originate earth?

One of the most persistently asked questions has been: How was the universe created? Many once believed that the universe had no beginning or end and was truly infinite. Through the inception of the Big Bang theory, however,no longer could the universe be considered infinite. The universe was forced to take on the properties of a finite phenomenon, possessing a history and a beginning. About 15 billion years ago a tremendous explosion started the expansion of the universe. This explosion is known as the Big Bang. At the point of this event all of the matter and energy of space was contained at one point. What exisisted prior to this event is completely unknown and is a matter of pure speculation. This occurance was not a conventional explosion but rather an event filling all of space with all of the particles of the embryonic universe rushing away from each other. The Big Bang actually consisted of an explosion of space within itself unlike an explosion of a bomb were fragments are thrown outward. The galaxies were not all clumped together, but rather the Big Bang lay the foundations for the universe. The origin of the Big Bang theory can be credited to Edwin Hubble. Hubble made the observation that the universe is continuously expanding. He discovered that a galaxys velocity is proportional to its distance. Galaxies that are twice as far from us move twice as fast. Another consequence is that the universe is expanding in every direction. This observation means that it has taken every galaxy the same amount of time to move from a common starting position to its current position. Just as the Big Bang provided for the foundation of the universe, Hubbles observations provided for the foundation of the Big Bang theory. Since the Big Bang, the universe has been continuously expanding and, thus, there has been more and more distance between clusters of galaxies. This phenomenon of galaxies moving farther away from each other is known as the red shift. As light from distant galaxies approach earth there is an increase of space between earth and the galaxy, which leads to wavelengths being stretched. In addition to the understanding of the velocity of galaxies emanating from a single point, there is further evidence for the Big Bang. In 1964, two astronomers, Arno Penzias and Robert Wilson, in an attempt to detect microwaves from outer space, inadvertently discovered a noise of extraterrestrial origin. The noise did not seem to emanate from one location but instead, it came from all directions at once. It became obvious that what they heard was radiation from the farthest reaches of the universe which had been left over from the Big Bang. This discovery of the radioactive aftermath of the initial explosion lent much credence to the Big Bang theory. Even more recently, NASAs COBE satellite was able to detect cosmic microwaves eminating from the outer reaches of the universe. These microwaves were remarkably uniform which illustrated the homogenity of the early stages of the universe. However, the satillite also discovered that as the universe began to cool and was still expanding, small fluctuations began to exist due to temperature differences. These flucuatuations verified prior calculations of the possible cooling and development of the universe just fractions of a second after its creation. These fluctuations in the universe provided a more detailed description of the first moments after the Big Bang. They also helped to tell the story of the formation of galaxies which will be discussed in the next chapter. The Big Bang theory provides a viable solution to one of the most pressing questions of all time. It is important to understand, however, that the theory itself is constantly being revised. As more observations are made and more research conducted, the Big Bang theory becomes more complete and our knowledge of the origins of the universe more substantial.


Where did the universe come from scientist point of view?

Neptune was created by many gases that formed into one big planet. They say Neptune was also created by the big bang theory. The gases are called hydrogen, helium, water, and ammonia.Improvement:Just to clarify - the gases actually formed into one big planet as a result of the Big Bang Theory.


How does the big bounce theory differ from the big bang theory?

in big bang theory the particles will just move away outside. while in big bounce, a stage will come when all the particles once again will form singularity as the result of big crunch. that's what i think.


Has the universe been the same since the big bang?

No - That is a premise of the Steady State Theory. Rather the universe has been undergoing an evolutionary expansion in which the actual environmental state of the universe is ever changing. The interpretation of observational evidence from the detection of deep space radiations have provided us a window into the past; wherein the universe of the CMBR barrier demonstrates that the universe was once just a soup of hot dense plasma. (See related question below for more information.)