it does not have an atmosphere
murcury
There is no wind speed in Mercury because it doesn't have an atmosphere.
in a thermometer it is either murcury or ethanol, a type of alchohol
The main difference is that Venus has a dense atmosphere, while Mercury has none. The usually accepted theory is that something in Venus' atmosphere caused a runaway greenhouse effect.
no
rocks
It is murcury
To deter hounds.
venus
murcury
It has gravity.
Murcury