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Planets and Their Sizes

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.

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In This Section

Rain drop

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.

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