The researchers received radio signals thought to be obtained from the first star. These findings mentioned could unravel the greatest mysteries of the universe. The findings also provide information about how stars and everything around them begins.
Surprisingly, it turns out that the hydrogen found in the early days of the formation of the universe was twice as cold as previously thought. It remains unclear why this happened.
This finding will further reveal the mystery of how galaxies and stars are formed, as well as the matter of dark matter that exists around us but remains mysterious.
This dark matter is never seen, but is thought to form the bulk of the mass in the universe.
"The question of this dark nature is in the highest rank of astrophysical mysteries of the century," explains Poshak Gandhi, an associate professor at Southampton's Astronomy Group University.
The researchers also suspect that the cooler temperature of hydrogen has something to do with the presence of dark matter. The meeting between dark matter and hot hydrogen produces "normal" matter.
Researchers dissect radio waves from outer space and find the weak signals that arise when the first star "lights up" at 180 million years after the birth of the universe.
From observation, this old star also has hydrogen around it. Ultra violet radiation disrupts the hydrogen atom, which creates emission signals.
"This is the first signal when stars begin to form and affect the medium around them," explains Dr. Alan Rogers, one of the researchers from the Massachusetts Institute of Technology.
"What happens in this period is that some radiation from the first star starts to make hydrogen look and absorb radiation, so you start seeing silhouettes on radio frequencies."
Before that, the universe was dark and mostly filled by hydrogen. But, how the stars can form is still hard to know. For, most of the material found in the universe today is formed from stars.
"The entire history of the universe is important to sow all the structures we see in the universe today," explains Carole Haswell, Head of Astronomy at the Open University.
"So the Milky Way Galaxy began to form at the time and the nature of the first stars that greatly affect the way terbentunknya galaxy," he continued as quoted The Independent