A common way to compute density is, of course, to take the ratio of an object's mass to its volume. But other types of densities exist, such as the resistance of somebody's brain to the imparting of common sense.
Neil deGrasse TysonI'm just recommending you find other things to base your spirituality on, rather than where science is yet to tread.
Neil deGrasse TysonI agree that we should go back to the moon and on to Mars. We should treat all objects in the solar system, including comets and asteroids, as exploration targets.
Neil deGrasse Tyson