The orbital speed of the Solar System about the center of the Milky Way is approximately 220 km/s (490,000 mph) or 0.073% of the speed of light. The Sun moves through the heliosphere …

Meet Me in the Milky Way. Our solar system is in one of the Milky Way galaxy’s spiral arms called the Orion Spur. 5. A Long Way Around. Our solar system takes about 230 million years to orbit …

Our sun Sol is just one of more than a couple hundred billion stars that make up our home galaxy: the Milky Way. Our home lies within the disk of the Milky Way. It's the disk where most of the …

2017年11月8日 · Using infrared images from NASA’s Spitzer Space Telescope, scientists have discovered that the Milky Way’s elegant spiral structure is dominated by just two arms …

2025年1月15日 · Milky Way Galaxy (sometimes simply called the Galaxy), large spiral system of about several hundred billion stars, one of which is the Sun. It takes its name from the Milky …

2025年1月17日 · Our solar system is located in the Milky Way, a barred spiral galaxy with two major arms, and two minor arms. Our Sun is in a small, partial arm of the Milky Way called the …

2023年4月18日 · Just as Earth orbits the sun, the solar system orbits the center of the Milky Way. Despite hurtling through space at speeds of around 515,000mph (828,000kmph) our solar …

2012年2月1日 · The Milky Way Galaxy is organized into spiral arms of giant stars that illuminate interstellar gas and dust. The Sun is in a finger called the Orion Spur. Overlaid is a graphic of …

From the Earth, our Milky Way Galaxy is visible as a milky band that stretches across the night sky. It is easier to see when you are far from bright city lights. Our solar system is located in …

2022年2月25日 · Our Sun is located nearly 27,000 light-years from the Milky Way’s nucleus, or about halfway between its center and the edge. Our Solar System is placed between two main …