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NASA Shows Einstein Was Right: Our Sun Is Losing Mass—and Its Grip on Our Solar System

Kastalia Medrano
NASA Shows Einstein Was Right: Our Sun Is Losing Mass—and Its Grip on Our Solar System

As our sun gets older, it's losing mass, and so its gravitational pull becomes weaker. A team of researchers from the Massachusetts Institute of Technology, the University of Maryland and the NASA Goddard Space Flight Center has shown that the aging sun is behaving according to Albert Einstein's theory of general relativity. NASA and MIT scientists analyzed subtle changes in Mercury’s motion to learn about the Sun and how its dynamics influence the planet’s orbit.