Scale of the small | Scale of the universe | Cosmology & Astronomy | Khan Academy

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: From honey bees to cells, viruses, and atoms -- understanding the scale of the very small. Created by Sal Khan. Watch the next lesson: Missed the previous lesson? Cosmology & Astronomy on Khan Academy: The Earth is huge, but it is tiny compared to the Sun (which is super huge). But the Sun is tiny compared to the solar system which is tiny compared to the distanc