Source: NASAIf the Sun were as tall as a typical front door, Earth would be the size of a nickel.
Earth
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Earth: Measuring Up
Nothing in life is to be feared, it is only to be understood.
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Earth: Third Rock
Source: NASAEarth orbits our Sun, a star. Earth is the third planet from the Sun at a distance of about 93 million miles (150 million km).
Nothing in life is to be feared, it is only to be understood.
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Earth: As the World Turns
Source: NASAA day on Earth is 24 hours. Earth makes a complete orbit around the sun (a year in Earth time) in about 365 days.
Nothing in life is to be feared, it is only to be understood.
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Earth: We're on It
Source: NASAEarth is a rocky planet with a solid and dynamic surface of mountains, canyons, plains and more. Most of our planet is covered in water.
Nothing in life is to be feared, it is only to be understood.
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Earth: Breathe Easy
Source: NASAEarth's atmosphere is 78 percent nitrogen, 21 percent oxygen and 1 percent other ingredients—the perfect balance to breathe and live.
Nothing in life is to be feared, it is only to be understood.
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Earth: Our Cosmic Companion
Source: NASAEarth has one moon.
Nothing in life is to be feared, it is only to be understood.
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Earth: Ringless
Source: NASAEarth has no rings.
Nothing in life is to be feared, it is only to be understood.
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Earth: Orbital Science
Source: NASAMany orbiting spacecraft study the Earth from above as a whole system—observing the atmosphere, ocean, glaciers, and the solid earth.
Nothing in life is to be feared, it is only to be understood.
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Earth: Home, Sweet Home
Source: NASAEarth is the perfect place for life as we know it.
Nothing in life is to be feared, it is only to be understood.
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Earth: Protective Shield
Source: NASAOur atmosphere protects us from incoming meteoroids, most of which break up in our atmosphere before they can strike the surface.
Nothing in life is to be feared, it is only to be understood.