Earth Mars Venus Titan Jupiter Average 1 astronomical 1.52 AU 0.723 AU 9.55 AU 5.2 AU distance from unit (1.496 x the Sun 1011 km) Surface 288 K 216 K 730 K (720-740 K) 93 K 250-280 K temperature (240-310 K) (140-290 K) average (range) Radius 6378 km 3396 km 6052 km 2575 km 71 492 km Major Nitrogen (78%), Carbon dioxide Carbon dioxide (96%), Nitrogen Hydrogen constituents oxygen (21%), (95%), nitrogen nitrogen (3.5%) (98%), (90%), of the water vapour (2.7%), argon methane helium atmosphere (1%) (1.6%) (1.5%), (10%) hydrogen
Earth Mars Venus Titan Jupiter Average distance from the Sun 1 astronomical unit (1.496 x 1011 km) 1.52 AU 0.723 AU 9.55 AU 5.2 AU Surface temperature average (range) 288 K (240-310 K) 216 K (140-290 K) 730 K (720-740 K) 93 K 250-280 K Radius 6378 km 3396 km 6052 km 2575 km 71 492 km Major constituents of the atmosphere Nitrogen (78%), oxygen (21%), water vapour (1%) Carbon dioxide (95%), nitrogen (2.7%), argon (1.6%) Carbon dioxide (96%), nitrogen (3.5%) Nitrogen (98%), methane (1.5%), hydrogen Hydrogen (90%), helium (10%)
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