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Solar System  

Last Updated: Mar 16, 2016 URL: Print Guide RSS Updates
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Solar System - Moons

NASA -- Our Solar System: Moons -- list The column on the right has a list of the each planet's moons. At the bottom is a list of moons that scientists have not proved to exist yet


How Long Is A Day?

Mercury    175.940 days
Venus       116.75 days
Earth         24 hr 0 min 0 sec
Moon        29.53 days
Mars         24 hr 39 min 35 sec
Jupiter      9 hr 55 min 33 sec
Saturn      10 hr 32 min 36 sec
Uranus     17 hr 14 min 23 sec
Neptune   16 hr 6.6 min
Pluto         6 days 9 hr 17 min


Solar System Video


The New 9th Planet


What are the orbital lengths and distances of objects in our solar system?


  NorthwesternUniversity -- Orbit of Planets -- chart

Scroll down to the chart.

It includes distance from the sun, the distance in one orbit, and the number of days in one trip around the sun (one planetary "year").


Other Libguides on the Solar System

District 181
 Each planet is listed with helpful information about each planet

Rumsey Hall Library
Each planet is listed and links to additional information is provided


Facts and More Facts


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