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Cosmic Sizes
Sun, planets and the largest moons — to scale. Click any two bodies to compare.
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Sizes are mapped on a logarithmic curve so Mercury and the Moon stay visible next to the Sun. The order is preserved; the differences are softened.
← scroll horizontally — click to compare →
Side-by-side
Sun
star
A G-type main-sequence star containing 99.86% of the mass of the Solar System.
Diameter
1.39M km
Mass
1.99e+30 kg
Earth
planet
The only world we know to harbor life. Liquid water, plate tectonics, and a magnetic shield.
Diameter
12,756 km
Mass
5.97e+24 kg
Comparison
Diameter
Sun is 109× × wider than Earth
Volume
Sun is 1301455× × by volume than Earth
Mass
Sun is 333032× × more massive than Earth
✦ Light from the Sun takes about 8 minutes 20 seconds to reach Earth.