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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The four Jovian planets are officially designated as gas (and/or ice) giants. Which planets are they and what makes them so unique?

By HowStuffWorks.com Contributors

Terrestrial planets include the four closest to our sun, including Mercury, Venus, Earth and Mars. What else makes these celestial bodies terrestrial planets?

By Mitch Ryan

Move over Saturn. There are other planets in the solar system surrounded by ring systems.

By Mitch Ryan

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Blood moons always bring out the stargazers though they aren't that rare. So what makes blood moons red? And do they differ from lunar eclipses?

By Valerie Stimac

When December's moongazing rolls around, you'll want to take a look at the cold moon, an appropriate moniker if there ever was one.

By Valerie Stimac

This doughnut-shaped ring around the sun is home to millions of comets, moons, dwarf planets and other celestial objects. What are these objects doing in the Kuiper belt?

By Valerie Stimac

Head's up, stargazers! Mark your calendars for the 22 must-see events this year.

By Martha Sandoval

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News headlines talk about a rare green comet appearing in the sky. The comet itself is rare, but green comets, not so much. What makes some comets appear green?

By Valerie Stimac

February is a cold time of year, and the snow moon nickname pays homage to that. What are some other names for February's full moon and what do they mean? Plus, when can you see the snow moon?

By Melanie Radzicki McManus

There are eight phases in the lunar cycle and the moon is in one of them every night. What are these phases of the moon?

By Valerie Stimac

The solar system's largest planet will pass closest to Earth at the same time it's at opposition. That means it will be the biggest and brightest it's been in the sky in decades.

By Patty Rasmussen

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In 2022, the full moon, called the hunter's moon, will occur Oct. 9. Why is it called that and when can you see it?

By Valerie Stimac