The True Scale of the Orion Arm Will Make the Solar System Feel Invisible
🌌 "Our solar system is a grain of sand on a beach that spans 10,000 light-years."The Orion Arm is a minor spiral arm of the Milky Way, roughly 10,000 light-years in length and 3,500 light-years wide . Our Sun sits about 26,000 light-years from the galactic center, moving at 1.3 million miles per hour. Yet at that speed, it still takes 225 million years to complete a single orbit. The solar system is a speck in a spiral of starlight, a tiny point of light in a cloud of billions . This is the true scale of our cosmic address.
The skinny
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