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The Nine Planets is a very comprehensive information site featuring the planets of our solar system (related items included).
Show me how, loading.Transfer to Northgate Academy and Homeschool online.Welcome to, the Nine Planets - For Kids!With permission from Bill Arnett, I've revamped his web site, The Nine Planets, for younger audience suitability (upper elementary grades).It is often said that the Sun is an "ordinary" star.That's true in the sense that there are many others similar.
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In Roman mythology Mercury is the god of commerce, travel and thievery, the Roman counterpart of the Greek god Hermes, the messenger of the Gods.
Our knowledge of our solar system is extensive but it is far from complete.
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Today's scientific knowledge further enhances and deepens that experience.
The median size of stars in our galaxy is probably less than half the mass of the Sun.
We are still exploring, much more is still to come: We shall not cease from exploration, and the end of all our exploring will be to arrive where we started and know the place for the first time.Io, Europa, Ganymede and, callisto (now known as the Galilean moons) and recorded their motions back and forth around Jupiter.Click on the portal to explore the planets!Mercury has been known since at least the time of the Sumerians (3rd millennium BC).Fully accredited and affordable.This website is an overview of the history, mythology and current scientific knowledge of the planets, key of heaven psp moons and other objects in our solar system.There are officially only eight planets in our solar system.Nevertheless, there's a lot that you can see with a telescope for kids or very modest equipment or even with just your own eyes.But in 1610 when Galileo first pointed a telescope at the sky he discovered Jupiter's four large moons.It has been known since prehistoric times as a bright "wandering star".