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Scientists Confirms Einstein's Theory In Space

Scientists Confirms Einstein's Theory In Space

Scientists have made the most accurate verification of the principle of equivalence, one of Einstein's key assumptions of the General Theory of Relativity, in history.

According to the principle of universality of free fall, two objects falling in the same gravity field acquire the same acceleration, regardless of their composition and mass.

Galileo, who wanted to find out whether this principle was valid, left two objects with different masses from the tower of Pisa and both objects reached the ground at the same time.
Tower of Pisa
Tower of Pisa

The principle is also at the heart of Einstein's Theory of General Relativity. However, some inconsistencies between General Relativity and quantum mechanics have recently prompted some physicists to think that General Relativity may not be the ultimate theory for gravity.

Scientists have made the most accurate verification of the principle of equivalence, one of Einstein's key assumptions of the General Theory of Relativity, in history.

New research has shown that this equivalence also applies to celestial bodies with strong self-gravity like neutron stars.
Using the Nancay Radio Telescope in France, researchers measured the radio waves sent by pulsars, a type of neutron stars, with high precision and tested whether Einstein's theory of gravity is valid in extreme conditions celestial bodies.

The team analyzed the signals from the pulsar “PSR J0337 + 1715”. Observing the signals, the researchers found that two white dwarf stars with a lower gravitational field are in orbit of the pulsar.

Dr. of the University of Manchester, Guillaume Voisin said:
"This triple-Earth-Moon system's original layout as the other two stars in the solar system 'is falling' had a second star. This allows Galileo's famous experiment at the Leaning Tower of Pisa to perform the equivalent of the star scale." 
 One of the two white dwarfs completes a tour of the pulsar, 7 million kilometers away, in just 1.6 days.

This binary star system holds a second system that orbits 40 percent of the Sun's mass.

This can be likened to the Earth and Moon system orbiting each other at the same time as that of the Sun.

This result almost certainly showed that the principle of equivalence applies across the entire universe.

Earth and moon


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