18/04/2025
A galactic year, also known as a cosmic year, is the time it takes our solar system to complete one full orbit around the center of the Milky Way galaxy.
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Key Facts About a Galactic Year:
Duration: Approximately 225 to 250 million Earth years
Speed: The solar system travels at around 828,000 km/h (514,000 mph)
Distance traveled: Around 230 million kilometers per orbit
Current position: Our solar system has completed about 20-25 galactic years since its formation ~4.6 billion years ago
Interesting Perspective:
If you compressed Earth's history into one galactic year:
Dinosaurs appeared about 1 galactic month ago
Humans evolved just seconds before midnight on the last day