Places in space where time slows down

[00:00:00]Places in space where time slows down.

[00:00:03]Time literally moves slower near massive [music] objects.

[00:00:07]Your phone's GPS adjusts for this >> [music] >> every second, or it had be off by miles.

[00:00:12]Your GPS is lying to you right [music] now, and it has to, or you'd end up in the wrong city.

[00:00:18]Time doesn't tick [music] the same everywhere.

[00:00:21]Near something massive like Earth, clocks run slower.

[00:00:25]Not metaphorically, physically slower.

[00:00:29]Satellites orbiting above your head, their clocks tick faster than yours by 38 microseconds every single day.

[00:00:37]Sounds [music] tiny.

[00:00:39]But skip that correction, and your GPS drifts 10 km by lunch.

[00:00:44]Now picture a neutron star.

[00:00:46]A teaspoon of it weighs a billion tons.

[00:00:49]Stand near one, and a single second for you is minutes for everyone else.

[00:00:55]The universe doesn't run on one clock.

[00:00:57]Never did.

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[00:01:01]>> [music]