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 |
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 | 61 | 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 August 2009.
Expect the counts for Jupiter, Saturn, Uranus &
Neptune to rise.
Over 200 moons of Saturn have been found but most of these moons have unstable orbits,
which means that they do not follow a consistent path around Saturn.
**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."