Convert Light Hours to Kiloparsecs
Convert Light Hours (lh) to Kiloparsecs (kpc) instantly and accurately.
Conversion Formula
kpc = lh × 3.497620280e-8
About Light Hours
A light hour (lh) is the distance light travels in one hour through a vacuum, approximately 1.08 billion kilometers. Jupiter is about 0.72 light hours from the Sun, while Saturn orbits at roughly 1.3 light hours. This unit is useful for expressing distances to the outer planets and understanding communication delays with spacecraft. A radio signal to a probe near Jupiter takes about 43 minutes to arrive, representing the vast scales even within our solar system. Pluto at its farthest reaches about 5.5 light hours from the Sun.
About Kiloparsecs
A kiloparsec (kpc) is 1,000 parsecs or 3,260 light years, making it ideal for measuring distances within galaxies. Our Milky Way galaxy has a diameter of about 30-40 kiloparsecs, and the Sun is located roughly 8 kiloparsecs from the galactic center. Star clusters within our galaxy are typically measured in kiloparsecs. The galactic halo extends several kiloparsecs beyond the visible disk. This unit helps astronomers discuss galactic structures and the distribution of stars, gas, and dark matter within galaxies.
Quick Reference Table
| Light Hours (lh) | Kiloparsecs (kpc) |
|---|---|
| 1 lh | 3.498 × 10-8 kpc |
| 2 lh | 6.995 × 10-8 kpc |
| 5 lh | 1.749 × 10-7 kpc |
| 10 lh | 3.498 × 10-7 kpc |
| 25 lh | 8.744 × 10-7 kpc |
| 50 lh | 1.749 × 10-6 kpc |
| 100 lh | 3.498 × 10-6 kpc |