Our position in the Milky Way Our Sun lies on the Orion arm of the Milky Way and orbits the centre of the galaxy at a distance of 25,000 to 28,000 light years. It takes 220 to 240 million years for ...
Our solar system lives on a minor arm of the Milky way called the Orion Spur. The Orion Spur branches off from the Sagittarius Arm, one of the galaxy's two major spiral arms. Earth's circumference ...
Millions of years ago, our Solar System traveled through a densely populated galactic region and was exposed to increased interstellar dust.