Worlds, side by side.
Different places. One frame of reference.
VS
Earth
PlanetMars
PlanetCircle diameters are proportional. Missing measurements are not estimated.
PROPERTYEarthMars
Mean diameterkm
12,742
6,779
Masskg
5.972e+24
6.417e+23
Gravitym/s²
9.807
3.71
Mean temperature°C
15
-65
Sidereal rotationhours
23.935
24.623
Orbital perioddays
365.256
686.98
Mean distance from SunAU
1
1.524
Reported moons
1
2
Escape velocitykm/s
11.186
5.03
Orbital periods of moons refer to their parent planet. Celsius temperatures are not ratio-scaled. Gas giants have no solid ground.