Sources: Planetary diameters and distances from the Sun, providing the numerical basis for comparing sizes, building scale models, and explaining why the planets disappear when the entire planetary system fits on one screen: NASA/JPL, Solar System Sizes and Distances - Reference Guide. https://www.jpl.nasa.gov/edu/pdfs/scaless_reference.pdf Voyager’s escape speed, the distinction between crossing the heliopause and leaving the Solar System, and the estimated centuries needed to reach the Oort Cloud and tens of thousands of years needed to pass beyond it: NASA, Voyager - Frequently Asked Questions. https://science.nasa.gov/mission/voyager/frequently-asked-questions/ A comprehensive review of the Milky Way’s structure, including its stellar disk, central bulge, and halo, providing the scientific background for the galaxy-scale comparisons in the script: Bland-Hawthorn & Gerhard (2016), The Galaxy in Context: Structural, Kinematic, and Integrated Properties. Annual Review of Astronomy and Astrophysics. https://doi.org/10.1146/annurev-astro-081915-023441 The original mapping of the Laniakea supercluster through galaxy motions, defining the large-scale gravitational flow region containing the Milky Way: Tully, Courtois, Hoffman & Pomarède (2014), The Laniakea Supercluster of Galaxies. https://doi.org/10.1038/nature13674 The relationship between cosmic expansion, light-travel time, and cosmological horizons, explaining why the observable Universe’s present radius exceeds its age multiplied by the speed of light: Davis & Lineweaver (2004), Expanding Confusion: Common Misconceptions of Cosmological Horizons and the Superluminal Expansion of the Universe. Publications of the Astronomical Society of Australia. https://doi.org/10.1071/AS03040 Understanding solar system scale is difficult because most textbook diagrams fail to represent the vastness of space accurately. This video examines why human perception struggles with astronomical distances and provides a clearer perspective on the true layout of our cosmic neighborhood. By comparing Earth to the immense void between planets, we can better appreciate the physical reality of our location in the galaxy. Visualizations included in this analysis illustrate the journey to Voyager 1 and the relative size of Earth compared to the Milky Way. These models demonstrate how space visualization helps bridge the gap between abstract numbers and physical reality, moving beyond the simplified illustrations found in traditional educational materials.