Converting from Light Year (ly) to Light Day (ld) | Astronomy Distance

What is Light Year (ly)

A Light Year (ly) is a unit of astronomical distance defined as the distance that light travels in one Earth year. Light travels at a speed of approximately 186,282 miles per second, so in one year, it covers a vast distance. Light Years are commonly used in astronomy to measure the vast distances between stars and galaxies.

What is Light Day (ld)

A Light Day (ld) is the distance that light travels in one day, which is significantly shorter than a Light Year. Light Days are also used in astronomy for smaller-scale distance measurements within our solar system or between close stars.

Conversion Formulas

To convert from Light Years to Light Days and vice versa, we can use the following formulas:

1 ly=365.25 ld

1 ld=0.002737851 ly

Examples

• 12 Light Years (ly) is equal to 4383 Light Days (ld)
• 2 Light Years (ly) is equal to 730.5 Light Days (ld)
• 16 Light Years (ly) is equal to 5844 Light Days (ld)

Conclusion

Use this simple conversion method to switch between Light Years and Light Days for your astronomical calculations. By understanding the relationship between these two units of distance, you can better grasp the vastness of the cosmos or the precise scales within our own solar system.