It’s the 21st century and science knows no boundaries. And one of the biggest examples of this statement is the fact that the Scientists have captured the first composite image of a dark matter bridge –
Science brings up a web-like superstructure connecting galaxies together – which has been predicted for decades they are the mysterious substance that comprises around 25 percent of the universe, does not shine, absorb or reflect light, which has traditionally made it largely undetectable, except through gravity… It was done in Toronto on the 13th of this April. The image that has been taken proves the theory the predictions that galaxies across the universe are tied together through a cosmic web connected by dark matter that has until now remained unobservable. There are now lensing images belonging to over 23,000 galaxy pairs that are situated 4.5 billion light-years away were pinned together and a composite image or map was created. The first composite picture revealed the presence of dark matter between the two galaxies. The image combines several individual images and has confirmed the predictions that galaxies in the universe are tied together through a cosmic web connected by dark matter. This discovery had been unobservable until now before this experiment. Now, let us see what the researchers have to say on this “For decades, researchers have been predicting the existence of dark matter filaments between galaxies that act like a web-like superstructure connecting galaxies together,” said Mike Hudson, a professor of astronomy at the University of Waterloo in Canada. Also, “This image moves us beyond predictions to something we can see and measure,” is said by Hudson.
Let us throw some light on the technique used to do this: weak gravitational lensing as mentioned above was used by Hudson and Seth Epps, researchers at the University of Waterloo. This technique causes the pictures of distant galaxies to warp slightly under the influence of an unseen mass such as a planet, a black hole, or in this case, dark matter. The other researcher Epps says, “By using this technique, we’re not only able to see that these dark matter filaments in the universe exist, we’re able to see the extent to which these filaments connect galaxies together.” This first image and its reports are published in the journal named Royal Astronomical Society. Finally, it was concluded that Pictures from a multi-year sky survey at the Canada-France-Hawaii Telescope were used to measure the effect and the Results show the dark matter filament bridge is strongest between systems less than 40 million light years apart.
With the type of development in the technological areas, it is not far that every secret of this universe will get completely unraveled and will be out for everyone to study and ponder upon!Tags: dark, gravity, lensing, Science, Technology, universe