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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

Mercury

Mercury

If the Hayden sphere is the size of the Sun, then this model is the relative size of Mercury.

Venus

Venus

If the Hayden sphere is the size of the Sun, then this model is the relative size of Venus.

Earth

Earth

If the Hayden sphere is the size of the Sun, then this model is the relative size of Earth.

Mars

Mars

If the Hayden sphere is the size of the Sun, then this model is the relative size of Mars.

Scales-of-the-Universe---Jupiter

Jupiter

If the Hayden sphere is the size of the Sun, then this model is the relative size of Jupiter.

Scales-of-the-Universe---Saturn

Saturn

If the Hayden sphere is the size of the Sun, then this model is the relative size of Saturn.

Scales-of-the-Universe---Uranus

Uranus

If the Hayden sphere is the size of the Sun, then this model is the relative size of Uranus.

Scales-of-the-Universe---Neptune

Neptune

If the Hayden sphere is the size of the Sun, then this model is the relative size of Neptune.

Janus

Janus

If the Hayden Sphere is the size of Earth, then this model is the relative size of Saturn’s moon Janus.

Meteor crater

Meteor Crater

If the Hayden Sphere is the size of Saturn’s moon Janus, then this model is the relative size of Meteor Crater.

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