​7 discoveries that prove Einstein was right! Have you heard of these?​

Albert Einstein, one of the greatest scientific minds in history, left an indelible mark on our understanding of the universe. Being born in 1879, at a time when space journeys and many cosmic phenomena were still far beyond the realm of imagination, his ideas were revolutinary of that time . Einstein's theory of general relativity, which he published in 1915, completely changed how we think about gravity, space, and time. Over 100 years later, many of his predictions have been confirmed by modern science, proving just how far ahead of his time he truly was.

Some of his most famous predictions have been observed and studied in recent decades with modern space technology. Here are seven incredible discoveries and phenomena which have confirmed that Einstein's theories were true.

In 2019, scientists captured the first-ever direct image of a black hole. The image was created by the Event Horizon Telescope (EHT), and showed a yellow ring around a black circle, which represents the event horizon of the black hole just as exactly as Einstein predicted in his general theory of relativity. His theory suggested that a black hole would have a boundary, known as the event horizon, beyond which nothing, not even light, could escape. This discovery confirmed his predictions about black holes and the space-time curvature they create. It was a major milestone in astrophysics and validated Einstein’s ideas about the universe.

Scientists observed a star named S2 orbiting a supermassive black hole at the center of the Milky Way. Over 27 years, the star’s orbit was seen to “dance” forward in a rosette pattern, instead of following a traditional elliptical path. This behavior is known as precession, a prediction Einstein made about how objects in extremely curved space-time, like stars orbiting a black hole, would behave. The star’s unusual orbit offered yet another confirmation of Einstein’s theory of general relativity, providing striking proof of how objects behave in the intense gravity around a black hole.

In 2020, physicists studied a neutron star orbiting a white dwarf, a cosmic material that remains when a star dies, in a binary star system. Their observations revealed a gradual drift in the neutron star’s orbit, which was a result of frame dragging, which was an effect predicted by Einstein. Frame dragging occurs when a rotating massive object, like a white dwarf, causes space-time to twist around it. This discovery, based on 20 years of data, directly confirmed one of the more subtle aspects of Einstein’s theory, showcasing how space-time curvature can affect the motion of nearby objects in the most extreme environments of the universe.

Einstein also predicted that light would lose energy when it travels out of a gravitational field, a phenomenon known as gravitational redshift. In 2011, a study of light from distant galaxies confirmed that gravitational redshift does actually occur. As light travels away from massive objects, like galaxies or black holes, its wavelength stretches, causing it to shift toward the red end of the spectrum. This confirmation validated Einstein’s ideas about the relationship between gravity and the behavior of light.

Einstein also predicted that massive objects could bend space-time in such a way that they would magnify the light from distant galaxies which is a phenomenon known as gravitational lensing. The James Webb Space Telescope’s first deep field image used this very effect to observe galaxies as far as 13 billion light-years away. Gravitational lensing helped magnify the distant galaxies, making them visible to astronomers. This discovery was another example of Einstein’s theory in action, as it allows us to have a deeper look into the universe than ever before.

Gravitational lensing can sometimes create perfect circular halos of light around massive objects, known as Einstein rings, the scientist named the phenomena after the great scientist itself after they found it to be true. These rings form when the light from a distant galaxy is bent by the gravitational field of a massive foreground object, creating a stunning visual effect.

Einstein's rings confirmed his predictions about how light behaves in curved space-time. These beautiful yet strange formations are now commonly observed by astronomers using advanced telescopes.