A reflecting telescope: the largest in the world. The mirror is situated
at the base of the telescope.]
[Illustration:
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| |
| THE SOLAR SYSTEM |
|________________________________________________________________|
| | | | | |
| | MEAN DISTANCE | PERIOD OF | | |
| NAME | FROM SUN (IN | REVOLUTION | DIAMETER | NUMBER OF |
| | MILLIONS OF | AROUND SUN | (IN MILES) | SATELLITES |
| | MILES) | (IN YEARS) | | |
|_________|_______________|____________|____________|____________|
| | | | | |
| MERCURY | 36.0 | 0.24 | 3030 | 0 |
| VENUS | 67.2 | 0.62 | 7700 | 0 |
| EARTH | 92.9 | 1.00 | 7918 | 1 |
| MARS | 141.5 | 1.88 | 4230 | 2 |
| JUPITER | 483.3 | 11.86 | 86500 | 9 |
| SATURN | 886.0 | 29.46 | 73000 | 10 |
| URANUS | 1781.9 | 84.02 | 31900 | 4 |
| NEPTUNE | 2971.6 | 164.78 | 34800 | 1 |
| SUN | ------ | ------ | 866400 | -- |
| MOON | ------ | ------ | 2163 | -- |
|_________|_______________|____________|____________|____________|