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comment by user-inactivated
user-inactivated  ·  3501 days ago  ·  link  ·    ·  parent  ·  post: The Scale of the Universe 2

A lightyear is ... a really long way ...

(EDIT: the distance Earth has traveled relative to the Sun is quite a bit longer than the entire diameter of the Andromeda Galaxy.)

theadvancedapes  ·  3501 days ago  ·  link  ·  

Take a trip down the rabbit hole down to the Planck Scale.

gordonz88  ·  3500 days ago  ·  link  ·  

Don't forget quantum foam.