00:00The galactic year, also known as the cosmic year, is the period of time it takes for the solar system to complete one orbital period.
00:08a complete orbit around the center of our galaxy.
00:15The estimated duration of each orbit is around 225 million Earth years.
00:27As you watch this video, the solar system is traveling at a speed of about 270 kilometers per second in its
00:34orbit around the Milky Way.
00:39It is believed that since its formation, the solar system has completed about 20 galactic years.
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