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At a Glance

Celestial Size Comparison

Choose the celestial objects you’re curious about. See at a glance how their sizes and environments compare.

Earth12,742.017 km

Venus12,103.6 km

Measurement	Earth	Venus
Mean radius	≈ 6,371 km	≈ 6,051.8 km
Diameter	≈ 12,742 km	≈ 12,103.6 km
Spherical approximate volume	≈ 1.083E12 km3	≈ 928,415,345,892.9 km3
Mass	≈ 5.972E24 kg	≈ 4.867E24 kg
Mean density	≈ 5,513.4 kg/m³	≈ 5,243 kg/m³
Surface gravity	≈ 9.807 m/s²	≈ 8.87 m/s²
Escape velocity	≈ 11.2 km/s	≈ 10.4 km/s
Rotation period	≈ 23.935 h	≈ -5,832.5 h
Orbital period	≈ 365.256 d	≈ 224.701 d
Mean temperature	≈ 288 K (14.9°C)	≈ 737 K (463.9°C)
Surface pressure	≈ 101,325 Pa	≈ 9,200,000 Pa
Orbital semi-major axis	≈ 149,598,261.2 km	≈ 108,209,474.5 km

Mean radius

Earth: ≈ 6,371 km
Venus: ≈ 6,051.8 km

Diameter

Earth: ≈ 12,742 km
Venus: ≈ 12,103.6 km

Spherical approximate volume

Earth: ≈ 1.083E12 km3
Venus: ≈ 928,415,345,892.9 km3

Mass

Earth: ≈ 5.972E24 kg
Venus: ≈ 4.867E24 kg

Mean density

Earth: ≈ 5,513.4 kg/m³
Venus: ≈ 5,243 kg/m³

Surface gravity

Earth: ≈ 9.807 m/s²
Venus: ≈ 8.87 m/s²

Escape velocity

Earth: ≈ 11.2 km/s
Venus: ≈ 10.4 km/s

Rotation period

Earth: ≈ 23.935 h
Venus: ≈ -5,832.5 h

Orbital period

Earth: ≈ 365.256 d
Venus: ≈ 224.701 d

Mean temperature

Earth: ≈ 288 K (14.9°C)
Venus: ≈ 737 K (463.9°C)

Surface pressure

Earth: ≈ 101,325 Pa
Venus: ≈ 9,200,000 Pa

Orbital semi-major axis

Earth: ≈ 149,598,261.2 km
Venus: ≈ 108,209,474.5 km

Please Note

This comparison is based on the most reliable observational data available. Celestial information may change with new research and observations, so please treat it as a general guide rather than a definitive source.