Apr 20, 2017 01:32 AM EDT
Indeed, even as the presence of dark matter has gone under discussion or debate, Canadian researchers have asserted they have developed a composite image of dark matter interestingly. Dark matter is a mysterious energy that takes over 25 percent of the universe and more than 80 percent of galaxies. It neither absorbs nor reflects light. Being invisible, dark matter can't be seen through conventional or traditional means with the exception of understanding the nearness from gravity.
Weak gravitational lensing is an event that causes twisting or bending of light by the nearness of gigantic structures in the galaxy. "For a period of time, scientists have been predicting the presence of dark matter fibers between galaxies that demonstration like a web-like superstructure linking galaxies together," said Mike Hudson, a professor of astronomy at the University of Waterloo, as per RAS.
The research by Hudson and co-creator Seth Epps of the Waterloo University has been distributed in Monthly Notices of the Royal Astronomical Society, Academic cited.Using the Canada-France-Hawaii Telescope, the scientists discovered dark matter from weak gravitational lensing that modifies a galaxy's shape by 1 percent. They comprehended that bending of light can happen even from the gravity of smaller cosmic object like dark matter.
The team made a composite image or guide from galaxy pairs numbering more than 23,000 situated at 4.5 billion light-years away. The image showed up a bridge like structure interfacing systems. It set up dark matter's broad interaction with galaxies. Hudson called the fruitful mapping as a convenient step in persuading that dark matter is truly there. Up until now, regardless of the hypothetical idea, dark matter has evaded quantitative confirmation.
A few studies also specify a molecule called the axion as the constituent of dark matter. It was initially mooted in 1977 as new additions to the Standard Model in molecule material science. In the event that axions are what make up dark matter, they might be detectable through gravitational waves due to axions, when quickened by dark holes, would radiate gravitational waves simply like electromagnetic waves leaving electrons.