- New study by University of Ottawa says there is no room for dark matter in the universe, contradicting previous theories
- Professor Rajendra Gupta has previously stated that the universe it 26.7 billion years old, not 13.7 billion, as previously thought
- Their research says light loses energy when it travels over a long distance
For many years, scientists have said that dark matter is common throughout the universe, but now, a team from the University of Ottawa has disputed this, saying that it does not exist.
In cosmology, ‘dark matter’ describes all that appears not to interact with light or the electromagnetic field, or that can only be explained through gravitational force. We can’t see it, nor do we know what it’s made of, but it helps us understand how galaxies, planets and stars behave.
But research by Rajendra Gupta, a physics professor at the Faculty of Science, says the forces of nature decrease over cosmic time and light loses energy when it travels a long distance. It’s been tested and has been shown to match up with several observations, such as about how galaxies are spread out and how light from the early universe has evolved.
This discovery challenges the prevailing understanding of the universe, which suggests that about 27% of it is composed of dark matter and less than 5% of ordinary matter, remaining being the dark energy.
“The study’s findings confirm that our previous work about the age of the universe being 26.7 billion years has allowed us to discover that the universe does not require dark matter to exist,” explains Gupta. “In standard cosmology, the accelerated expansion of the universe is said to be caused by dark energy but is in fact due to the weakening forces of nature as it expands, not due to dark energy.”
“There are several papers that question the existence of dark matter, but mine is the first one, to my knowledge, that eliminates its cosmological existence while being consistent with key cosmological observations that we have had time to confirm.”
By challenging the need for dark matter in the universe and providing evidence for a new cosmological model, this study opens new avenues for exploring the fundamental properties of the universe.
The study, Testing CCC+TL Cosmology with Observed Baryon Acoustic Oscillation Features, was published in the peer-reviewed Astrophysical Journal.
