THE SOLAR SYSTEM

In the Solar System Channel, you can explore the planets and celestial objects around our own sun. Learn about topics such as Mars, Jupiter and the Moon.
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Will Solar Rays Produce Three-Eyed Fish?

Solar rays and the potential problems they may cause are explained in this article. Learn about solar rays.

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  • What and where is the dark side of the moon?

    What and where is the dark side of the moon?

    The changing phases of the moon have given us an enduring curiosity about the dark side of the moon. But is there really a dark side of the moon? What would we see there? See more »

  • What are Saturn's rings made of?

    What are Saturn's rings made of?

    Although other planets have rings, none are as spectacular as Saturn's. What makes the planet's stratified rings, and how did they get there in the first place? See more »

  • What happens when the sun eats a comet?

    What happens when the sun eats a comet?

    Do the two meet for one final, fantastic explosion? Or maybe the sun just gets a bit of wind? Or maybe nothing of consequence happens at all? Only one way to find out. See more »

  • What if I looked straight at an eclipse of the sun?

    What if I looked straight at an eclipse of the sun?

    You've probably heard that staring at the sun is bad for your eyes. Even a few seconds can damage your eyes. But what if you looked at a solar eclipse? See more »

  • What if we had no moon?

    What if we had no moon?

    A billion years ago, the moon stopped being geologically active. But that's not to say that the moon is doing nothing for us. Let's find out why we owe our moon some thank-yous. See more »

  • What's more important, water on the moon or on Mars?

    What's more important, water on the moon or on Mars?

    Scientists have discovered the existence of water on both our moon and on Mars. Both findings are significant, but what do they mean? Can we use this information to our advantage for space exploration? See more »

  • Where did the moon come from?

    Where did the moon come from?

    We know it's not made of green cheese, but what are the origins of the moon? Learn astronomers' theories about where the moon came from. See more »

  • Why is Pluto no longer considered a planet?

    Why is Pluto no longer considered a planet?

    On August 24, 2006, the International Astronomical Union (IAU), an organization of professional astronomers, passed two resolutions that collectively revoked Pluto's planetary status. See more »

  • Will orbital chaos cause Earth, Venus and Mars to collide?

    Will orbital chaos cause Earth, Venus and Mars to collide?

    It's not a pleasant thought, is it? But when you mix chaos theory with a few crazy cosmologists, those tidy, predictable orbits start getting lively. See more »

  • 10 Memorable Meteor Crashes

    10 Memorable Meteor Crashes

    Hundred of meteors fly across the sky every night, but only a few make it to Earth. Meteors are best known for the brilliant streaks of light they make as they burn up in the atmosphere. Learn about 10 memorable meteor crashes that left an impression. See more »

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