Break the skepticism about general relativity

The latest study confirms the correctness of the theory proposed by Albert Einstein nearly a century ago, which can explain the dancing of galaxies orbiting each other as well as the pattern of motion of planets around the Sun.

The work has shown that the invisible material called dark matter and the mysterious force known as dark energy are not fabrications of physical imagination.

Centuries ago, Isaac Newton's laws of the gravitational force of the universe were good enough to explain Earth's gravity. But astronomers have gradually observed inconsistencies in the way the larger objects act as interactions between planets.

Einstein's general theory of relativity published in 1916 proposes gravity to work on large areas because matter bends the structure of space and time (or not - time).

This concept has been used successfully to explain strange phenomena in the solar system, such as changes in Mercury's orbit around the Sun. This is impossible with Newton's theory of gravity.

Great physicist Albert Einstein, author of two relativistic theories.

The existence of dark matter and dark energy is based on the assumption that gravity is affecting galaxies millions of light years from Earth in the same way that it affects objects in the solar system.

But until now, general relativity tests on large areas have not yet yielded final results.

That's why astrophysicist Reinabelle Reyes and his colleagues look at data collected from more than 70,000 elliptical galaxies. They found that galaxies, 3.5 billion light-years from Earth, were grouped together exactly in the way that general relativity predicted.

By combining the galaxy group's measurements with other properties such as the relative motion of this galaxy and other galaxies and how they bend each other's light, Reyes's group calculated EG to fall to about zero, 4. This figure is close to the EG value that scientists calculated in the study is 0.39. (EG is the physical quantity representing the expected interactions of the object).

Partial map of the universe displays groups of galaxies 7 billion light-years from Earth.

The authors of the study report their work has taken down legitimate skepticism in some alternative doctrines that have tried to explain gravity working in a different way.

David Spergel, an astrophysicist, said that the new findings confirm the current popular model of cosmology. However, he said, the new study surveyed a part of the universe. 'There's always the possibility that things will be different in places you've never discovered,' Spergel said.

Scientists say future space missions will be indispensable for general relativity checks at even greater distances.