1.the observed wavelength of the
dark line from the distant galaxy
has increased
2.therefore the distant galaxy must
be moving away from the Earth
suggesting the Universe is
3.expanding outwards from a small
initial point
The big band theory
The theory is called the Big Bang theory. It suggests that the universe began expanding from a very hot, dense state approximately 13.8 billion years ago.
What is known as the Big Bang Theory is the currently recognized model of how the universe began.
The most widely accepted cosmological model of the universe's beginning is the Big Bang theory. This theory posits that the universe began as a singularity around 13.8 billion years ago, expanding and evolving into the vast, complex cosmos we observe today.
The theory that states the universe began in a violent explosion is the Big Bang theory. It proposes that the universe started as a singularity and has been expanding ever since, leading to the formation of galaxies, stars, and planets. This explosion occurred approximately 13.8 billion years ago.
According to the big bang theory the universe began about?
The Big Bang Theory.
The Big Bang
That is, more or less, the description of the Big Bang.
The red shift spectra of galaxies show that most galaxies are moving away from us, indicating that the universe is expanding. This observation supports the Big Bang theory, which suggests that the universe began in a state of high density and temperature and has been expanding ever since. The amount of red shift in a galaxy's spectrum can also provide information about its distance from us and its velocity.
The big band theory
The big band theory
The theory is called the Big Bang theory. It suggests that the universe began expanding from a very hot, dense state approximately 13.8 billion years ago.
The big bang theory which is a theory of cosmology holding that the expansion of the universe began with a gigantic explosion between 12 and 20 billion years ago
The universe began approximately 13.7 billion years ago. The big bang theory describes how the universe was created, and began to expand rather rapidly.
The theory that the universe began with all matter and energy concentrated in a very small object is called the Big Bang theory. According to this theory, the universe expanded rapidly from a hot, dense state approximately 13.8 billion years ago.
The origin of the universe is just that - a theory. We can only speculate how universe began - based on the knowledge we have up to now. There may be other factors - that could change our perspective on how the universe began - yet to be discovered !