univers is expanding or not?
Answers
Answered by
6
☆ [@m@n] ☆
<><><><><><><><><><><><>
According to a crew of astrophysicists led through Eric Lerner from Lawrenceville Plasma Physics, the Universe shouldn't be expanding in any respect. In their gain knowledge of, the scientists demonstrated one of the placing predictions of theBig Bang theory that natural geometry does now not work at excellent distances
in the house round us, on earth, in the solar procedure and our Milky manner Galaxy, as an identical objects get farther away, they seem fainter and smaller. Their surface brightness, that's the brightness per unit area, stays consistent.
In contrast, the gigantic Bang concept tells us that in an expanding Universe objects simply should show up fainter however better. Accordingly in this thought, the outside brightness decreases with the gap. Additionally, the light is stretched as the Universe accelerated, additional dimming the light.
So in an expanding Universe essentially the most distant galaxies will have to have hundreds of thousands of instances dimmer floor brightness than identical local galaxies, making them definitely undetectable with present-day telescopes.
But that is not what observations exhibit, as tested by using this new learn published within the global Journal of modern day Physics D.
The scientists carefully compared the dimensions and brightness of about a thousand neighborhood and tremendously far away galaxies. They selected the most luminous spiral galaxies for comparisons, matching the ordinary luminosity of the close and far samples.
Contrary to the prediction of the huge Bang concept, they determined that the skin brightnesses of the near and some distance galaxies are same
These outcome are constant with what can be expected from common geometry if the Universe was not expanding, and are in contradiction with the drastic dimming of surface brightness anticipated by the expanding Universe hypothesis.
Of direction, that you would be able to hypothesize that galaxies had been a lot smaller, and accordingly had 1000's of instances larger intrinsic surface brightness up to now, and that, simply by means of accident, the enormous Bang dimming precisely cancels that greater brightness in any respect distances to provide the phantasm of a consistent brightness, but that might be an extraordinarily enormous accident,Mr Lerner stated.
That was once now not the only startling result of their research. To be able to observe the skin brightness test, first proposed in 1930 by means of physicist Richard C. Tolman, the group had to investigate the exact luminosity of the galaxies, in an effort to match near and a long way galaxies
to do that, the astrophysicists needed to link the distance to the galaxies with their redshift. They hypothesized that the space is proportional to the redshift at all distances, as is well demonstrated to be the case within the nearby Universe.
They checked this relation between redshift and distance with the data on supernova brightness that has been used to measure the hypothesized accelerated growth of the Universe.
it is effective that the predictions of this straightforward method are as good as the predictions of the increasing Universe idea, which include problematic corrections for hypothetical darkish matter and darkish vigour,mentioned gain knowledge of co-writer Dr Renato Falomo of the Osservatorio Astronomico di Padova, Italy.
Dr Riccardo Scarpa from the Instituto de Astrofısica de Canarias, Spain, who is a co-creator of the be taught, delivered: again you would take this to be basically coincidental, however it would be a 2d colossal coincidence.
thus if the Universe just isn't increasing, the redshift of sunshine with increasing distance must be caused by every other phenomena something that occurs to the sunshine itself as it travels through house.
we are not speculating now as to what might cause the redshift of sunshine, Mr Lerner said.
nevertheless, one of these redshift, which is not associated with enlargement, could be discovered with suitable spacecraft within our possess sun approach in the future
______
hope it helped u
<><><><><><><><><><><><>
According to a crew of astrophysicists led through Eric Lerner from Lawrenceville Plasma Physics, the Universe shouldn't be expanding in any respect. In their gain knowledge of, the scientists demonstrated one of the placing predictions of theBig Bang theory that natural geometry does now not work at excellent distances
in the house round us, on earth, in the solar procedure and our Milky manner Galaxy, as an identical objects get farther away, they seem fainter and smaller. Their surface brightness, that's the brightness per unit area, stays consistent.
In contrast, the gigantic Bang concept tells us that in an expanding Universe objects simply should show up fainter however better. Accordingly in this thought, the outside brightness decreases with the gap. Additionally, the light is stretched as the Universe accelerated, additional dimming the light.
So in an expanding Universe essentially the most distant galaxies will have to have hundreds of thousands of instances dimmer floor brightness than identical local galaxies, making them definitely undetectable with present-day telescopes.
But that is not what observations exhibit, as tested by using this new learn published within the global Journal of modern day Physics D.
The scientists carefully compared the dimensions and brightness of about a thousand neighborhood and tremendously far away galaxies. They selected the most luminous spiral galaxies for comparisons, matching the ordinary luminosity of the close and far samples.
Contrary to the prediction of the huge Bang concept, they determined that the skin brightnesses of the near and some distance galaxies are same
These outcome are constant with what can be expected from common geometry if the Universe was not expanding, and are in contradiction with the drastic dimming of surface brightness anticipated by the expanding Universe hypothesis.
Of direction, that you would be able to hypothesize that galaxies had been a lot smaller, and accordingly had 1000's of instances larger intrinsic surface brightness up to now, and that, simply by means of accident, the enormous Bang dimming precisely cancels that greater brightness in any respect distances to provide the phantasm of a consistent brightness, but that might be an extraordinarily enormous accident,Mr Lerner stated.
That was once now not the only startling result of their research. To be able to observe the skin brightness test, first proposed in 1930 by means of physicist Richard C. Tolman, the group had to investigate the exact luminosity of the galaxies, in an effort to match near and a long way galaxies
to do that, the astrophysicists needed to link the distance to the galaxies with their redshift. They hypothesized that the space is proportional to the redshift at all distances, as is well demonstrated to be the case within the nearby Universe.
They checked this relation between redshift and distance with the data on supernova brightness that has been used to measure the hypothesized accelerated growth of the Universe.
it is effective that the predictions of this straightforward method are as good as the predictions of the increasing Universe idea, which include problematic corrections for hypothetical darkish matter and darkish vigour,mentioned gain knowledge of co-writer Dr Renato Falomo of the Osservatorio Astronomico di Padova, Italy.
Dr Riccardo Scarpa from the Instituto de Astrofısica de Canarias, Spain, who is a co-creator of the be taught, delivered: again you would take this to be basically coincidental, however it would be a 2d colossal coincidence.
thus if the Universe just isn't increasing, the redshift of sunshine with increasing distance must be caused by every other phenomena something that occurs to the sunshine itself as it travels through house.
we are not speculating now as to what might cause the redshift of sunshine, Mr Lerner said.
nevertheless, one of these redshift, which is not associated with enlargement, could be discovered with suitable spacecraft within our possess sun approach in the future
______
hope it helped u
Anonymous:
Like ur answers!!
Answered by
3
The universe does not expand "into" anything and does not require space to exist "outside" it. Technically, neither space nor objects in space move. Instead it is the metric governing the size and geometry of spacetime itself that changes in scale.
Similar questions