Neptune

Neptune is the eighth planet from the sun.  The Greeks know Neptune as  Poseidon, or the god of the ocean depths.  Neptune's symbol is a trident.  

NEPTUNE FACTS
Equatorial Diameter: 48,500km
Mass: 17.2 x Earth's.
Density: 1.76.
Surface gravity: 1.19 x Earth's.
Distance from sun: 30.058a.u. 4,496,6000,000km.
Year length: 367 days.
Rotation period: 16 hours, 3 minutes.
Atmosphere: Mostly hydrogen and helium.
Satellites: 8
 

 

 
This site was developed for Thinkquest Junior 2001 competition by Team J0110010. Please email the developers (link disabled) at OR visit our guest book to leave us a message to review other messages. For further information, please refer to our references.