Proper Name Earth Orbital Period 1 year 365.26 days Distance from the Sun Semi-Major Axis: 149,597,886 km (1.00 AU) Perihelion: 147,099,602 km (0.98 AU) Aphelion: 152,096,171 km (1.02 AU) Eccentricity 0.0167 Rotation Period 23 hours, 56 minutes Diameter 12,735 km Mean Surface Temperature 288 K (15°C) Moons The Moon Parent star The Sun, yellow dwarf star Other planets in this system Mercury, terrestrial planet Venus, terrestrial planet Mars, terrestrial planet Jupiter, gas giant Saturn, gas giant Uranus, ice giant Neptune, ice giant Numerous dwarf planets, asteroids and other bodies Notes The third planet of the Solar System is the largest of the four terrestrial planets, and the only one known to support a biosphere.
A bleak outcropping of rock on
Earth's icy south polar continent. Due to various factors,
including the presence of life, Earth displays a greater range of
environmental conditions than any other known world.
Use the scrollbar on the right of this window to view the distance between the
Earth and the Moon, shown to scale.
The largest of the
terrestrial planets, and the only planet in the universe known to harbour life.
You are here. The unique
Earth, home to more than 6,000,000,000 individual humans and literally countless other
species of animals and plants. Nothing else like it is known anywhere in the universe.
eSky © copyright Mark Fisher 1999-2021
Surface map courtesy
Jet Propulsion Laboratory. Copyright © California Institute of Technology, Pasadena, CA. All rights reserved.