TheLuminary t1_j226tz5 wrote
Reply to comment by _OBAFGKM_ in ELI5: If astronomers use "light-years" for interstellar distances, why do we use AU for interplanetary distances instead of "light-minutes"? by concorde77
Ah.. yes, I suppose having custom units for those specific equations where the constant is 1 would be handy.
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