Planets and Their Sizes

  • Exhibition Text

    • Earth is nearly 13,000 kilometers across. The smallest terrestrial planet, Mercury, has a diameter about 40 percent of that size. Jupiter, the biggest planet, is more than ten times larger than Earth. The maximum possible size for a planet is a few times larger than Jupiter - about the same size as the smallest stars.

      Show more

In This Section

Raindrop

Raindrop

If the Hayden Sphere is the size of the human brain, then this model is the relative size of a raindrop.

Red Blood Cell

Red Blood Cell

If the Hayden Sphere is the size of a raindrop then this model is the relative size of a red blood cell.

Rhinovirus

Rhinovirus

If the Hayden Sphere is the size of a red blood cell, then this model is the relative size of a rhinovirus.

SELECT PAGE