Density is a measure of how tightly the mass of an object is packed into the space it takes up. It can be calculated by dividing mass by volume. It is a property close propertyA quality, or ...

Measuring density To measure the density of a regular shaped solid you must measure the sides of the object, and calculate its volume.

A planet’s mass and volume are easy to determine. Because planets are nearly spheres, we can calculate volume from our knowledge of a planet’s radius, which we determine by measuring both the ...