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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 ...

Evidence of another possible planet orbiting Proxima Centauri

A team of researchers studying the nearest star to our solar system, Proxima Centauri, has found possible evidence of a second planet in its system. Team members Fabio Del Sordo with the University of Crete and Mario Damasso with the Observatory of Turin gave a presentation of their findings at this year's Breakthrough Discuss conference held at the University of California, Berkeley campus.

from Astronomy News - Space News, Exploration News, Earth Science News, Earth Science http://bit.ly/2ZhXXLr

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