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in General Factchecking by Newbie (240 points)

NASA recently stated that our days have been getting shorter, which could be linked to the idea that time is technically “speeding up.” This means the Earth is rotating slightly faster than it used to, and as a result, each day is just a bit shorter than 24 hours. Even though the difference is only a few milliseconds, it’s still a real and measurable change. Over time, these subtle shifts could begin to affect how we track time globally. This shows that time isn’t as fixed as we thought; it’s affected by the planet’s motion. It’s kind of mind-blowing to think that we’re living through a period where time might be changing.

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ago by Apprentice (1.0k points)

Interestingly, the opposite seems to be true. This NASA article states that days on Earth are growing slightly longer due to rotational disturbances caused by the redistribution of melting glacial ice. 

"If emissions continue to rise, lengthening of day from climate change could reach as high as 2.62 milliseconds per century, overtaking the effect of the Moon’s pull on tides, which has been increasing Earth’s length of day by 2.4 milliseconds per century, on average."

This was substantiated by an NPR article (citing this PNAS report) that stated: 
"The change is tiny, measured in milliseconds, which is one-thousandth of a second," with the caveat that the change is meaningful for finely tuned tech that does things like processing of financial transactions, GPS navigation, and the power grid. 

False

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