The physical features of Earth vary from place to place. In some places, the land is relatively flat. In other places, tall mountain ranges dominate the landscape. The shape of Earth's surface is its topography.
If you would like to see the animated Earth topography go to:
http://www.solarviews.com/raw/earth/vearth3.mpg
Earth statistics:
Mass (kg) 5.976e+24
Mass (Earth = 1) 1.0000
Equatorial radius (km) 6,378.14
Equatorial radius (Earth = 1) 1.0000
Mean density (gm/cm3) 5.515
Mean distance from the Sun (km) 149,600,000
Rotational period (days) 0.99727
Rotational period (hours) 23.9345
Orbital period (days) 365.256
Mean orbital velocity (km/sec) 29.79
Orbital eccentricity 0.0167
Tilt of axis (degrees) 23.45
Orbital inclination (degrees) 0.000
Equatorial escape velocity (km/sec) 11.18
Equatorial surface gravity (m/sec2) 9.78
Visual geometric albedo 0.37
Mean surface temperature 15°C
Atmospheric pressure (bars) 1.013
Atmospheric composition
Nitrogen 77%
Oxygen 21%
Other 2%
http://www.solarviews.com/eng/earth.htm