How many megaparsec in 1 light-day? The answer is 8.3942886227647E-10. We assume you are converting between megaparsec and light day. You can view more details on each measurement unit: megaparsec or light-day The SI base unit for length is the metre. 1 metre is equal to 3.2407792700054E-23 megaparsec, 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 megaparsecs and light days. Type in your own numbers in the form to convert the units!
1 megaparsec to light-day = 1191286176.756 light-day
2 megaparsec to light-day = 2382572353.512 light-day
3 megaparsec to light-day = 3573858530.2681 light-day
4 megaparsec to light-day = 4765144707.0241 light-day
5 megaparsec to light-day = 5956430883.7801 light-day
6 megaparsec to light-day = 7147717060.5361 light-day
7 megaparsec to light-day = 8339003237.2922 light-day
8 megaparsec to light-day = 9530289414.0482 light-day
9 megaparsec to light-day = 10721575590.804 light-day
10 megaparsec to light-day = 11912861767.56 light-day
You can do the reverse unit conversion from light-day to megaparsec, or enter any two units below:
The SI prefix "mega" represents a factor of 106, or in exponential notation, 1E6.
So 1 megaparsec = 106 parsecs.
The definition of a parsec is as follows:
The parsec (symbol pc) is a unit of length used in astronomy. It stands for "parallax of one arc second", and is approximately 19,131,554,073,600 (19 trillion) miles.
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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