Learn interesting facts about space planets in the milky way, and ways to help remember the planets in order as they orbit the sun.

Mar 26, 2010 - Michelle Strozykowski

Learn the eight planets, their order from the sun, as well as basic info about the planets. Find out other interesting facts about the solar system.

Apr 29, 2010 - Rachel Schaus

Here are some facts to help you out when teaching or learning about the planets in our solar system. There may even be a 10th planet coming soon!

Jul 8, 2007 - Denise Oliveri

Do you want an easy way to memorize and remember the planets in order from our solar system?Various mnemonics and memory aids are given for adults and kids.

Mar 11, 2011 - Blair Kasfeldt

On the outer part of the Solar System lie some big and fabulous worlds. These are very different from the interior planets where the rocky Earth resides.

Jul 24, 2009 - Anna Sanclement

Solar system planets, origin of the solar system, and additional facts about our solar system are presented here for a quick overview of the solar system.

Jun 16, 2010 - Rachel Schaus

There are numerous regions (or zones) of the Solar system. These include the inner solar system, the asteroid belt, the Jovian planets, and the Edgeworth-Kuiper belt.

Dec 24, 2008 - Scott Hermanson

Geocentrism is an astronomical theory, central to the astronomy of Ancient Greece that posits that the Earth lies at the centre of the universe.

Feb 19, 2010 - Terry Long

Heliocentrism is an astronomical theory that posits that sun is at the centre of the Solar System.

Mar 4, 2010 - Terry Long

Which solar system objects can you observe without binoculars or a telescope? Which are the brightest and which are the dimmest?

Mar 14, 2007 - Kelly Whitt

Volcanoes on Jupiter's moon, Io, are the largest in the Solar System. Current eruptions on Io would cause mass extinctions here on Earth.

Aug 24, 2010 - Alexandra Matiella Novak

With the demotion of Pluto from planetary status, we can now properly classify all the bodies in the solar system

Apr 9, 2011 - Jon Plotkin

A team of astronomers have discovered a planet 20 light years from Earth orbiting its sun at just the right distance to have liquid water and possibly life.

Sep 29, 2010 - Robert Adler

The Solar Nebula Hypothesis constitutes the most convincing model for the breathtaking subject of the origin of our Solar System: let's take a glimpse.

Jul 13, 2011 - Stavroula Dimitropoulos

Here are a few activities to help kids learn about the scale of the Solar System, and the characteristics of individual planets and moons.

Jan 17, 2010 - Talia Sepersky

The solar system's ten largest satellites are scattered between the gas giant planets - and Earth.

Feb 24, 2010 - Kelly Whitt

Earth has very active plate tectonics shaping its geology and features. Other planets and moons in the solar system have varying degrees of tectonic activity.

Feb 23, 2009 - Paul A. Heckert

Brian Cox (not that one) tells an interesting yet down to Earth story of how a collection of gases in the atmosphere are important in the development of a planet.

Mar 23, 2010 - Steven Cookson