NEPTUNE

Neptune is the eighth and farthest known planet from the Sun in the Solar System. In the Solar System, it is the fourth-largest planet by diameter, the third-most-massive planet, and the densest giant planet. 

PARTS OF NEPTUNE:

Outer atmosphere
Atmosphere
Mantle
Core











Neptune is 17 times the mass of earth 
Some of the earliest recorded observations ever
made throught a telescope 
.

This is Neptune in the Solar system with the other
 planets
Neptune is the last planet in the solar system.




Galileo's drawings on 28 December 1612 and 
27 January 1613, contain plotted points that 
match up with what is now known to be the 
position of Neptune.


  Galileo is a very important astronomer,

one of his invents is the telescope

One day in Neptune lasts 16h 6minutes from earth
One year in Neptune lasts 165 years from earth.