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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 ...

Dead Stars in Milky Way

It's difficult to determine the exact number of dead stars in the Milky Way galaxy because we can't directly observe all of them. Estimates suggest there are hundreds of billions of dead stars in our galaxy. These dead stars are the leftover remnants after a star has burned through its fuel and undergone a spectacular explosion (supernova) or collapsed in on itself. From vapid findings the numbers are over a million. 

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