Monday Concept

𝗔π—₯π—˜ π—šπ—£π—¦ π—¦π—¬π—¦π—§π—˜π— π—¦ π—”π—™π—™π—˜π—–π—§π—˜π—— 𝗕𝗬 π—₯π—˜π—Ÿπ—”π—§π—œπ—©π—œπ—§π—¬ 𝗔𝗑𝗗 π—‘π—˜π—˜π—— π—”π——π—π—¨π—¦π—§π— π—˜π—‘π—§π—¦?

Being a science fiction writer, I read many strange articles that inspire my weekly social media posts. On Mondays, I enjoy delving into the scientific concepts I encounter.

I read about how a GPS satellite’s atomic clocks, despite their precision, will eventually become out of sync with a corresponding timekeeping system on the ground.

What are the two factors influencing the situation? According to GENERAL relativity, a clock in orbit will experience slower time, making its day 45 micro-seconds longer compared to a clock on the surface. Due to SPECIAL relativity, the clock on the GPS satellite gains 7 micro-seconds daily because it travels faster than the one on the surface.

The daily time gain of a GPS satellite (Approx. 38 microseconds) can therefore be attributed to the difference between General Relativity and Special Relativity (45 - 7 micro-seconds).

The thing that will really fry your noodle is that the satellite in orbit is actually moving more slowly through time itself due to Earth’s mass and its effect on spacetime surrounding it 😊
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Published on June 17, 2024 08:49
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