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Real and Scaled Sizes of the Sun and Planets
| Planet |
Real Diameter |
Scaled Diameter |
Earth Diameters |
|
Sun |
1,392,000km |
130.2mm |
109 |
|
Mercury |
4,878 km |
0.5mm |
0.38 |
|
Venus |
12,104 km |
1.2mm |
0.95 |
|
Earth |
12,756 km |
1.3mm |
1 |
|
Mars |
6,794 km |
0.7mm |
0.53 |
|
Jupiter |
142,796 km |
12.0mm |
9 |
|
Saturn |
120,000 km |
12.0mm |
9 |
|
Uranus |
50,800 km |
5.1mm |
4 |
|
Neptune |
50,450 km |
5.0mm |
4 |
|
Pluto |
3,400 km |
0.3mm |
0.27 |
The
scale factor is 1 to 10 billion. Every millimeter in this scale model
solar system
represents
10 billion millimeters in the real solar system!
For
additional lesson plans and ideas relating to this topic and many others
try TeacherSource at PBS
Online! You will find activities, lesson plans, teacher guides and
links to other great educational web sites! Search the database by keyword,
grade level or subject area! Mathline
and Scienceline
are also great resources for teachers seeking teaching tips, lesson
plans, assessment methods, professional development, and much more!
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