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planet from the sun.
- Neptune is the 8th planet from the sun in our solar system.
It is approximately 2,794 million miles from the sun.
- Neptune is about 30,775 miles in diameter.
- It takes Neptune about 165 Earth years to orbit the sun one
- A day (from sunrise to sunset) on Neptune is only about 16
- Neptune's atmosphere is made up of hydrogen, helium, and
methane. The methane makes it look blue in color.
- Neptune has 6 thin rings around the planet. Some of the
rings do not look complete because they are thicker and thinner in some places.
- The average temperature in Neptune's atmosphere is -370° F.
- Neptune has at least 8 known satellites, or moons, and there
may be more.
- In 1994, the Hubble Telescope discovered dark spots on the
surface that were caused by storms and changes in temperature. The Voyager 2
spacecraft discovered wind speeds of 1,500 mph (2,400 k/ph) on the planet's surface.
- Neptune is named after the Roman God of the oceans.
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Astro for Kids, http://www.astronomy.com/content/static/AstroforKids/
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