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A light-year (abbreviation: ly), sometimes referred to incorrectly as a light year, is a unit of length used informally to express astronomical distances. It is approxi ..more definition+
In physics, the Planck length, denoted ℓP, is a unit of length, equal to 1.616229(38)×10−35 meters. It is a base unit in the system of Planck units, develo ..more definition+
In relation to the base unit of [length] => (meters), 1 Light Years (ly) is equal to 9461000000000000 meters, while 1 Planck Length (pl) = 1.6E-35 meters.| 77 Light Years | to common length units |
|---|---|
| 77 ly | = 728497000000000000 meters (m) |
| 77 ly | = 728497000000000 kilometers (km) |
| 77 ly | = 7.28497E+19 centimeters (cm) |
| 77 ly | = 2.3900820209974E+18 feet (ft) |
| 77 ly | = 2.8680984251969E+19 inches (in) |
| 77 ly | = 7.9669400699913E+17 yards (yd) |
| 77 ly | = 4.5266704943132E+14 miles (mi) |
| 77 ly | = 77 light years (ly) |
| 77 ly | = 2.7533748350708E+21 pixels (PX) |
| 77 ly | = 4.55310625E+52 planck length (pl) |