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Light-year (ly) to Parsec (pc) Online Unit Converter Tool

Result: 

Light-year (ly):

Definition: The light-year is a unit of length used in astronomy and astrophysics to measure astronomical distances. It represents the distance that light travels in one year in a vacuum.

History/Origin: The concept of the light-year emerged in the late 17th century with the realization that light has a finite speed. It gained prominence in the early 20th century with the development of modern astrophysics.

Current Uses: Light-years are essential for describing distances between stars, galaxies, and other celestial objects in the universe. They provide a convenient scale for measuring vast astronomical distances.

Where to Use: Light-years are employed in astronomical research, cosmology, and science education. They help scientists and astronomers understand the scale and structure of the universe.

Parsec (pc):

Definition: The parsec is a unit of length used in astronomy to measure large distances between celestial objects outside the solar system. It represents the distance at which one astronomical unit subtends an angle of one arcsecond.

History/Origin: The concept of the parsec was introduced in the early 20th century as a convenient unit for describing distances to stars and galaxies. It is derived from the terms “parallax” and “second.”

Current Uses: Parsecs are essential for describing distances to stars, galaxies, and other extragalactic objects in the universe. They provide a convenient scale for measuring vast astronomical distances.

Where to Use: Parsecs are employed in astrophysics, cosmology, and galactic astronomy. They help scientists understand the scale, structure, and evolution of the universe.

Light-year (ly) to Parsec (pc) Conversion Table:

Light-year (ly)

Parsec (pc)

1

0.3066

2

0.6132

3

0.9198

4

1.2264

5

1.533

6

1.8396

7

2.1462

8

2.4528

9

2.7594

10

3.066