A recent study by researchers at the University of Nottingham, England, published this week in the Astrophysical slotxo Journal, indicates that there are likely to be as many as the developed civilizations of other life in our galaxy. 36 groups

The results of this research summarize from the use of calculations that indicate It took nearly 5 billion years for life on Earth to be born, since gas and dust in space condensed to form Earth. Then use this point to compare and research the probability of having other organisms.

Professor Christopher Conselice, an expert in astrophysics From the University of Nottingham And the head of the research team said that the calculation of the numbers of civilizations that have prospered outside the world Let's look at the point of evolution at the cosmic level. Which is called Copernicus biomedical limitations (Astrobiological Copernican Limit)

Assistant Professor of Engineering Tom Westby, who is responsible for conducting research and writing the original research paper. Added that Historically, methods used to estimate the number of civilizations, developed living beings, are guessing on numbers. But this latest study uses data to help compute more concrete results.

Assistant Professor Westby added that the research used the hypothesis that Organisms that have progressed This means that a civilization has high enough technological capabilities to communicate. It should take no more than 5,000 million years to form a cluster. In the form of planets and stars in the galaxy Scattered throughout the Milky Way

But when it comes to communicating with these civilizations The researchers said Must be difficult Because the distance between each group is probably 17,000 light years apart and the answer to the question Are humans the only living things in this galaxy? Must see that How long did each civilization survive?

In addition to new extraterrestrial discoveries, other researchers have also made new discoveries about life on Earth in the primeval era. It was published Thursday in the journal Scientific Reports.

In this report The researchers found Ancient animals that were the ancestors of alligators. Used to walk on 2 hind legs, not crawling on 4 legs like the modern day This is confirmed by the footprints in the fossils discovered in South Korea. That was previously believed to be the footprints of a terrosaur, or a winged dinosaur.

But this analysis of the historical evidence Which is an 18-24 inch long footprint from the early Cretaceous period Or more than 100 million years ago Causing researchers to conclude that This footprint animal is the same family as the crocodile. Which are amphibians And has a body length of almost 3 meters and stands on land using only his hind legs. By looking at the traces of walking that show both heels and claws It wasn't just used to stand like the primitive winged creatures that were previously believed.

Discovering the secrets of life inside and outside the world. In addition to asserting more theories of evolution, it also paved the way for new research studies. That may help solve the mystery that humans are still waiting for answers And met with many other wonderful stories