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The galactic year, or cosmic year, is the duration of time required for the Sun to orbit once around the center of the Milky Way Galaxy. Estimates of the length of one orbit range from 225 to 250 million terrestrial years.
In relation to the base unit of [time] => (seconds), 1 Galactic Years (gal) is equal to 7.25328E+15 seconds, while 1 Sidereal Years (Sy) = 31558149.504 seconds.| 50 Galactic Years | to common time units |
|---|---|
| 50 gal | = 3.62664E+17 seconds (s) |
| 50 gal | = 6.0444E+15 minutes (min) |
| 50 gal | = 1.0074E+14 hours (hr) |
| 50 gal | = 4197500000000 days (day) |
| 50 gal | = 599642857142.86 weeks (wk) |
| 50 gal | = 11500000000 years (yr) |
| 50 gal | = 138000000000 months (mo) |
| 50 gal | = 1149854153.4559 decades (dec) |
| 50 gal | = 114985415.34559 centuries (cent) |
| 50 gal | = 11498541.534559 millenniums (mill) |