How do we know gravity actually affects time? 787 viewsJanuary 3, 2024 Question91.23K September 22, 2019 0 Comments How do we know gravity actually affects time? In: Physics 6 Answers ActiveNewestOldest Anonymous Posted September 22, 2019 0 Comments There is also a [study by NASA ](https://www.smithsonianmag.com/science-nature/nasas-twins-study-creates-portrait-human-body-after-year-space-180971945/) with twins on the effects of time in space as opposed to time earthbound. You are viewing 1 out of 6 answers, click here to view all answers. Register or Login
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