Leave your feedback Share Copy URL https://mypepack.gophersport.com/video/?vid=vsVW7Im7WHY Email Facebook Twitter LinkedIn Pinterest Tumblr Share on Facebook Share on Twitter How Big Are the Planets? [7wjejbyo5QU] Health Updated on August 11, 2026 EDT — Published on August 11, 2026 EDT How Big Are the Planets? The planets in our Solar System vary greatly in size. Here’s a comparison of their diameters: Mercury – 4,879 km Venus – 12,104 km Earth – 12,742 km Mars – 6,779 km Jupiter – 142,984 km Saturn – 120,536 km Uranus – 51,118 km Neptune – 49,528 km From the smallest rocky planet Mercury to the giant Jupiter, the difference is huge — more than 29 times bigger! Source: NASA Planetary Fact Sheet d6tpmnvrVjz oFWChaqeCGY xs3SiDMotbP Fxqtj7SxT7m gmIsvYWDBqL
How Big Are the Planets? The planets in our Solar System vary greatly in size. Here’s a comparison of their diameters: Mercury – 4,879 km Venus – 12,104 km Earth – 12,742 km Mars – 6,779 km Jupiter – 142,984 km Saturn – 120,536 km Uranus – 51,118 km Neptune – 49,528 km From the smallest rocky planet Mercury to the giant Jupiter, the difference is huge — more than 29 times bigger! Source: NASA Planetary Fact Sheet d6tpmnvrVjz oFWChaqeCGY xs3SiDMotbP Fxqtj7SxT7m gmIsvYWDBqL