Light month

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The light month is the distance that the light travels in vacuum in one month and so is a unit of distance. According to the IAU one month is defined as 30 days with 86400 seconds each day.

Similar units are the light second, light minute, light hour, light day, light week, light year.

numerical value


Comparison to other Units

  • 1 light month = 777,062,051,136.000 km = 7.7706205 * 1011 km
  • 1 light month = 482,843,973,156.764 mi [2] = 4.8284397 * 1011 mi
  • 1 light month = 2,549,416,178,267,716.535 ft[3] = 2.5494162 * 1015 ft
  • 1 light month = 849,805,392,755,905.511 yd [4] = 8.4980539 * 1014 yd


Distances in light months

Unfortunately there are no distances in nature where it make sense to express them in light months. Distances in our solar system are normally expressed in light seconds up to light days. Distances in our galaxy are normally expressed in light years.

Notes

  1. Review of Particle Physics Particle Data Group: W.-M. Yao et al., J. Phys. G 33, 1 (2006).
  2. 1 mi = 1609.344 m
  3. 1 ft = 0.3048 m
  4. 1 yd = 0.9144 m