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Mars and Earth - Small difference & big consequences

Einstein's theory of relativity suggests that time is not a constant and can vary based on gravitational fields and speed. In a strong gravitational field, time moves slower compared to a weaker one. Since Mars has a weaker gravitational field than Earth, time actually flows slightly faster there.  This concept has implications for future space missions, as the timing of communication and operation of spacecraft will need to account for this difference in how time elapses on Mars compared to Earth. Missions may need to adjust their schedules, operations, and technology to ensure accuracy and synchronization with Earth. Basically, the moment you bring gravity and velocity into the picture, time stops behaving like the simple, universal tick‑tock we experience in everyday life. And you’re absolutely right: Mars’ weaker gravity means clocks there run a little faster than clocks on Earth. What’s fascinating is how small the difference is—and how big the consequences become ...

Astronomers find x-rays lingering years after landmark neutron star collision

It's been three years since the landmark detection of a neutron star merger from gravitational waves. Since that day, an international team of astronomers has been continuously monitoring the subsequent radiation emissions to provide the most complete picture of such an event. Their analysis provides possible explanations for X-rays that continued to radiate from the collision long after models predicted they would stop.

from Cosmic Rays News -- ScienceDaily https://ift.tt/3doJlRZ

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