The 225-Million-Year Galactic Orbit: Our True Cosmic Path
The Sun travels around the center of our galaxy at approximately 514,000 mph (828,000 km/h), taking 225 to 250 million years to complete just one single orbit—known as a Galactic Year.
space！2.25亿年的银河系轨道：我们真正的宇宙路径
太阳以大约每小时51.4万英里（82.8万公里）的速度绕银河系中心运行，完成一次公转需要2.25亿至2.5亿年——这被称为一个银河年。
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