Mercury means in Nepali Language "BUDH" (बुध). It is 5,76,00,000 Kilometer far from Sun. It is the smallest planet, Which has not an atmosphere and sub-planet. Its radius is 4,960 kilometer. To rotate its own axis it takes 88 days and 58.65 days to rotate the Sun. Its temperature is 180 degree Centigrade when sun's light doesn't directly touch and the part which is towards the Sun, the temperature is 420 degree Centigrade.