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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 Sidereal Years (Sy) is equal to 31558149.504 seconds, while 1 Galactic Years (gal) = 7.25328E+15 seconds.| 9440749788 Sidereal Years | to common time units |
|---|---|
| 9440749788 Sy | = 2.9793259323956E+17 seconds (s) |
| 9440749788 Sy | = 4.9655432206593E+15 minutes (min) |
| 9440749788 Sy | = 82759053677656 hours (hr) |
| 9440749788 Sy | = 3448293903235.7 days (day) |
| 9440749788 Sy | = 492613414747.95 weeks (wk) |
| 9440749788 Sy | = 9447380556.81 years (yr) |
| 9440749788 Sy | = 113368566681.72 months (mo) |
| 9440749788 Sy | = 944618241.08928 decades (dec) |
| 9440749788 Sy | = 94461824.108928 centuries (cent) |
| 9440749788 Sy | = 9446182.4108928 millenniums (mill) |