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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 investigate supermassive black hole in the radio galaxy PKS 2251+11

Italian astronomers have conducted an X-ray analysis of the accreting supermassive black hole in the broad line radio galaxy PKS 2251+11 as part of a study aimed at investigating the galaxy's nuclear environment. The new research, presented in a paper published March 15 on arXiv.org, could improve the understanding of active galactic nuclei.

from Astronomy News - Space News, Exploration News, Earth Science News, Earth Science https://ift.tt/2OqQhSl

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