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Mercury
Exploring the physical characteristics and celestial beauty of Mercury.
Gravity
3.7 m/s²
Mean Radius
2,439 km
Mass
3.30114 x 1023 kg
Density
5.4291 g/cm³
NASA Gallery
Orbital Dynamics
Sideral Orbit
87.969 Days
Sideral Rotation
1407.6 Hours
Discovery Date
Discovered By