How many milimetro in 1 light-day?
The answer is 2.59020683712E+16.
We assume you are converting between milímetro and light day.
You can view more details on each measurement unit: milimetro or
light-day
The SI base unit for length is the metre.
1 metre is equal to 1000 milimetro, or 3.8606955462749E-14 light-day.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between milimetros and light days.
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El milímetro es una unidad de longitud. Es el tercer submúltiplo del metro y equivale a la milésima parte de él. Su abreviatura es mm.

››Definition: Light-day

A light day (also written light-day) is a unit of length. It is defined as the distance light travels in an absolute vacuum in one day (of 86,400 seconds) or 25,902,068,371,200 metres (~26 Tm).

Note that this value is exact, since the metre is actually defined in terms of the speed of light. The light day isn't very frequently used at all since there are few astronomical objects or distances of that magnitude; the Oort cloud, for example, is thought to extend between 290 and 580 light-days out from the Sun.

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