How is Mercury's density is about high as the earths density
Mercury has a high density because it has a large iron core, making up about 60% of its mass. The iron core contributes to Mercury's high average density, which is close to that of Earth's, despite Mercury being a smaller planet.
Earth has an even greater density than Mercury. Presumably, planets a core of dense materials (for example, the density of iron is 8 times that of water), which compensates a lighter (less dense) crust.
Why shouldn't it? There isn't a direct relationship between density and size in general.
Mercury has a density of 5427kg/m3, whereas Earth has a density of 5515kg/m3.
The average age of Mercury's surface is estimated to be around 4 billion years old. This is based on crater density and geological analysis of the planet's surface.
Yes. Mercury has a greater density than does honey.
Mercury's average density is high, comparable to Earth's, primarily due to its metallic and rocky composition, which includes a significant iron core. This dense core contributes to Mercury's overall mass and density despite its smaller size. Additionally, the planet's formation involved processes similar to Earth's, resulting in a similar proportion of heavy elements. As a result, both planets exhibit high densities despite their differences in size and surface conditions.
Since the density of mercury (5427 kg/m³) is greater than the density of water (1000 kg/m³ or 1.0 g/cm³), mercury will sink in water. Objects with higher density than the fluid they are in will sink, while objects with lower density will float.
The specific gravity of Mercury is 13.56. The density of mercury is 13.534 grams per cubic centimeter. Density is usually the ratio to the density of a given reference material.
Gold sinks in mercury due to its high density compared to mercury. Gold has a density of around 19.3 g/cm^3, while mercury has a density of about 13.6 g/cm^3. This density difference causes gold to sink in mercury when the two substances are in contact.
That might be an indication that Mercury has a similar composition to Earth. For more details, check the Wikipedia articles on Earth, and Mercury, to see what is believed to be inside each planet.