| Age |
About the same age as the Sun: 4.5
billion years |
| Location |
Solar system |
| Avg. distance from the Sun |
58,340,000 km |
| Length
of day |
59
days |
| Length
of year |
88
days |
| Range
of temperature |
-170C
to 430C |
| Diameter |
4880 km |
| Atmosphere |
Thin
gaseous atmosphere - sodium, hydrogen, helium, oxygen |
| Period of revolution |
0.24 Earth years (88 Earth days) |
| Number of moons |
0 |
| Distinguishing features |
Temperature variations on Mercury
are the most extreme in the solar system. It is composed of rocky
material and its surface is covered with
craters. It has almost no atmosphere with no weather. There is evidence of ice in
the protected shadows of craters near the north pole. |
