Earth is the largest of the four rocky planets and the only world known to host life. Liquid water has covered most of its surface for billions of years, shaping both its geology and its atmosphere.
Scale Comparison
Jupiter is the Solar System’s largest planet; its diameter is about eleven Earth diameters.
Diameter understates the difference in volume: roughly 1,300 Earths could fit inside a sphere the size of Jupiter. Jupiter is mostly hydrogen and helium rather than rock, so it is not an enlarged terrestrial planet.
Objects
Object details and sources
Jupiter is the largest planet in the Solar System, with about 2.5 times the mass of all the other planets combined. It spins once in just under 10 hours, the shortest day of any planet.
Visual creditJuno 2019 / NASA / JPL-Caltech / SwRI / MSSS / Kevin M. Gill / Public domainSource: Wikimedia Commons
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About
Scale of Space is a scroll-based journey through the universe, placing objects on a single logarithmic scale so you can compare size across an unbroken range.
Guides explain selected parts of that range, while focused views filter the objects by subject.