The Relative Size of the Planets from The beauty of the heavens : a pictorial display of the astronomical phenomena of the universe

The beauty of the heavens : a pictorial display of the astronomical phenomena of the universe : one hundred and four coloured scenes, illustrating a familiar lecture on astronomy

The Relative Size of the Planets

The size of an object is the magnitude it holds as well as its dimensions. It describes how big something is. Size can be measured by area, volume, mass, length, height, and width. We measure something through math, and knowing its size can tell us things about it. Sometimes, it can tell us how old something is (a small tree is younger than a tall tree.) Sometimes, it can tell us how far away something is, in terms of perspective (a car that appears large is probably closer to us than one that appears small.) Size is determined by comparing or measuring objects. The result is usually a number value of units on a scale that has been decided on. These planets are each a different size compared to the others. Which is the biggest one?