The Mercury planet the universe
THE MERCURY PLANET THE UNIVERSE Now when you think about the physical characteristics of Mercury, I am sure you imagine it Being the closest planet to the sun but also that it is gate Rock floating in space. THE MERCURY PLANET IMAGE You would not be to for wrong with that but it is much more interesting than what you may first think. The first thing that notice is that it actually does have a colour. It is not just different shade of grey colour. Aur example, that Mercury consists of approximately 70% metallic and han 30% silicate material. So it's actually more metallic than Rocky. MERCURY IS ORBITING THE SUN Because of this Mercury density is the second highest in the solar system at 5.4 2 7 grams per centimetre cube only slightly less than the planet with the greatest density that of earth at 5.5 15 grams per centimetre cube. If Mercury happened to be the same size as Earth, that would mean it would have pretty much the same gravitational pull as its sur...