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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 ...

Space weather can be trying for Arctic regions – new technique aids space weather forecasting

Researchers at Aalto University have developed a new technique which can be used for analysing fluctuations in the Earth's magnetic field. The method presented in the Space Weather journal was used to study magnetic field changes in different years and at different times of the day and different latitudes.

from Space Exploration News - Space News, Space Exploration, Space Science, Earth Sciences http://bit.ly/2RoAecq

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