The no boundary universe theory was formulated in 1983.
the year of the no boundary theory is 1983.
1983
1983
the theory produced by Stephen Hawking and John Hartle in 1983 that the universe has no boundaries
It is very easy to answer- First, I want to tell that , what is a universe? A universe is a limitless space with billion of stars in it. So,lets come to the point.There is no boundary in the universe as it is a very vast space and billion of other universe are also there. I wish that you could understand it
A "no boundary" universe is a universe where the change in energy is positive or negative everywhere in the universe. Such a universe theory calls for everywhere expansion or everywhere contraction. The current central dogma in Astronomy is for such an expanding universe. The corrected Law of Gravity indicates that the universe is bounded and not expanding.
He worked on his theory for years, but it was only published in the year of his death, in 1543.
It is the idea that the universe will continue to expand forever. By contrast, the closed theory states that gravity will eventually cause the universe to shrink. (I think) In addition to the above. Essentially it is the theory that the universe has no boundary and is not closed in on itself in any way. The shape of the universe in this case must be either "flat" or "curved" to some extent, but not curved enough to form a cylinder, sphere, ellipsoid or torus.
Kepler believed that the Universe was created on 27th April 4977 BCE. He published his Laws of Planetary Motion in 1609 and 1619.
According to Kepler's Universe theory, the universe was born in 4977 BC.
The steady-state universe theory
Friedmann Universe Theory was created in 1922.