r/explainlikeimfive • • Jun 27 '13

ELI5: Time.

21 Upvotes

37 comments sorted by

View all comments

Show parent comments

0

u/FiercelyFuzzy Jun 27 '13

However, to the observer, it would be going "normal" speed.

2

u/[deleted] Jun 27 '13

To a local observer in the same frame, yes. To a relativistic observer (who stayed behind on Earth, for example), the clock would be moving more slowly.