Quick Solar System Comparison
(Includes recent moon count)

Dimaeter
in Miles		 Rotation on Axis
(Planet's Day)		 Number of
Moons*		 Distance
from Sun
in Miles

Time it takes
Light** to Travel form the Sun
to the Respective Planet

 Revolution
Around Sun
(Planet's Year)
SUN 865,000 30 days – – – –
MERCURY 3,032 59 days 0 36 million 3.2 minutes 88 days
VENUS 7,521 243 days 0 67 million 6 minutes 225 days
EARTH*** 7,926 24 hours 1 93 million 8.3 minutes 365 days
MARS 4,222 24.6 hours 2 142 million 13 minutes 687 days
JUPITER 88,844 9.8 hours 63 484 million 43 minutes 11.8 years
SATURN 74,900 10.2 hours 60 887 million 80 minutes 29 years
URANUS 31,764 17.9 hours 27 1.8 billion 2.7 hours 84 years
NEPTUNE 30,777 19.2 hours 13 2.8 billion 4.2 hours 164 years
PLUTO**** 1,429 6.4 days 3 3.7 billion 5.5 hours 248 years

*Moon counts as of February 2008.
Expect the counts for Jupiter, Saturn, Uranus & Neptune to rise.

**Light travels at the speed of 186,282 miles per second.

***Our Moon is 2,160 miles in diameter and revolves around the Earth every 29.5 days
at a distance of 240,000 miles.

****As of August 24, 2006, Pluto is no longer considered a major Planet.
It is classified as a Dwarf Planet and is one of the larger objects in an
outer debris field that starts beyond Neptune and is named the "Kuiper Belt."