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The expansion of the universe. Imagine a rubber band if you stretch the rubber band you can imagine that the present universe is like that, all stretched out and able to stretch more. But remember the state the rubber band started out BEFORE you stretched it. The Big Bang theory just states that if the universe is expanding, it's logical to think that there was once a time when everything was super dense and what not. Hence there was every force to keep pushing everything further away, which of course, is the expansion the universe is experiencing currently.
You should read Hawking's A Brief History of Time for a better understanding.
Edit : To answer the question, there are at least these 4 pieces of evidence
that support the "Big Bang" theory.
1) The expansion of the Universe, particularly Hubble's Law.
2 The comparative abundance of the original elements : Hydrogen,
Helium, and Lithium.
3) The Cosmic Background Radiation.
4) The distribution and evolution of the galaxies.
You can follow these leads for more information, but it is a complicated
subject.
What else can I help you with?
Is the number of stars in the Milky Way Galaxy evidence in support of Big Bang Cosmology?
no the no. of stars in the milky way is not the evidence in support of the big bang cosmology.
What are the three main pieces of evidence supporting the Big Bang theory?
The three main pieces of evidence supporting the Big Bang theory are the cosmic microwave background radiation, the abundance of light elements in the universe, and the redshift of galaxies.
What are two pieces of evidence that support the Big Bang theory?
Hubble's discovery in the 1920s of a relationship between a galaxy's distance from Earth and its speed; and the discovery in the 1960s of cosmic microwave background radiation.
How does the evidence of the wmap and COBE support the big bang theory?
The work provided even more additional evidence to support the Big Bang theory of the universe.It was also regarded as the starting point for cosmologyas a precision science.
What do you think scientists would do if they found evidence that did not support the Big Bang theory?
Discard it all.
What is the evidence of Bigbang theory?
The main evidence for the Big Bang theory includes the discovery of the cosmic microwave background radiation, the abundance of light elements in the universe, and the redshift of galaxies indicating an expanding universe. These pieces of evidence support the idea that the universe originated from a hot and dense state around 13.8 billion years ago.
What do scientists believe provides evidence for the bid bang theory?
Scientists believe that several key pieces of evidence support the Big Bang theory, including the observed expansion of the universe, cosmic microwave background radiation, and the abundance of light elements like hydrogen and helium. The redshift of distant galaxies indicates that the universe is expanding, while the cosmic microwave background radiation is thought to be the afterglow of the initial explosion. Additionally, the proportions of light elements align with predictions made by Big Bang nucleosynthesis. Together, these observations provide strong support for the theory.
How does expanding universe provide evidence for big bang theory?
It is not so much that the universe is expanding, but rather the rationalization for its expansion that provides evidence to support the Big Bang Theory. The Big Bang supports interpreted observational evidence of the Cosmic Microwave Background Radiation (CMBR) barrier that there is an evolutionary expansion of the universe which promotes a finite age for the universe.
What evidence is collected in support of the big bang theory?
expansion of the universe as shown by the Hubble constant3K universal microwave background radiationetc.
What does the big bang theory have to do with the universes expansion?
It is not so much that the universe is expanding, but rather the rationalization for its expansion that provides evidence to support the Big Bang Theory. The Big Bang supports interpreted observational evidence of the Cosmic Microwave Background Radiation (CMBR) barrier that there is an evolutionary expansion of the universe which promotes a finite age for the universe.
What are the two lines of evidence for the Big Bang?
The pieces floating throughout the universe that are chunks of iron and and nickle and other pieces of rocks and metals and also the various gases floating around the universe were created from the big bang The spectrum and the isotopic nature of the cosmic microwave background radiation match perfectly with the prediction of the Big Bang Theory. The respective percentages of our Universe consisting of hydrogen, helium and lithium match quite well with the predictions of the Big Bang.
What are 3 theories supporting the big bang theory?
Theories don't support theories.Only evidence that comes from observation or experiment supports or demolishes theories.
