Object | Earth | Sun |
---|---|---|
Type | Rocky planet | Star, yellow dwarf |
Age | 4.54 billion years | 4.6 billion years |
Population | 7.7 billion | 0 |
Diameter | 12,742 km | 1,392,684 km |
Mean radius | 6,371 km | 696,342 km |
Mass | 5.97 × 1024 kg | 1.98 × 1030 kg |
Rotation duration | 24 hours | 24 days |
Surface temperature (average) |
288 K 14.9 °C 58.7 °F |
5,778 K 5,504 °C 9,940 °F |
Surface gravity | 9.8 m/s² | 274.4 m/s² |
Mean density | 5.5 g/cm3 | 1.4 g/cm3 |
Circumference | 40,075 km | 4.3 million km |
Surface area | 510 million km² | 6.09 × 1012 km2 |
Volume | 1.08 × 1012 km3 | 1.41 × 1018 km3 |
Escape velocity | 11.1 km/s | 617.7 km/s |
Average orbital speed | 29.78 km/s | 1.99 km/s |
Atmosphere composition | 78% nitrogen (N2), 21% oxygen (O2), ~ 1% water vapor, 0.9% argon, 0.04% carbon dioxide |
73% hydrogen, 25% helium, 0.8% oxygen, 0.3% carbon |
Crust composition | 60% silica, 16% alumina, 6% lime, 6% iron oxide, 4% magnesia, 3% sodium oxide, 2% potassium oxide |
73% hydrogen, 25% helium, 0.8% oxygen, 0.3% carbon |
Distance from the Milky Way center | 27,200 light years | 27,200 light years |
Right ascension | - | 19h 4m 30s |
Declination | - | +63.87° |