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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 ...

Astronauts to test drive a lunar robot from the space station

Astronauts could one day remotely control Moon and Mars rovers from orbit. An upcoming test aboard the International Space Station could help make this a possibility. In November, the ESA (European Space Agency) will conduct an experiment in orbit known as ANALOG-1 to see if station crews, scientists on the ground and new technology can work together to guide a rover on a simulated lunar mission.

from Space Exploration News - Space News, Space Exploration, Space Science, Earth Sciences https://ift.tt/2rxNvTJ

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