Gravity, inertia, and centripetal force keep our solar system in motion. Explore with a series of kid-friendly gravity and force experiments.

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

Dallas Campbell shows an orrery – a mechanical model of the solar system. Suitable for Key Stage 3 and Key Stage 4/GCSE, Third Level, National 4, National 5 and Higher ...

In the 17th century, German astronomer Johannes Kepler figured out the laws of motion that made it possible to accurately ...

Scale Model of the Solar System Normally, what textbooks do is to show two separate scales. One scale showing the orbits of the planets and another scale showing the size of the planets.

The Solar System may have started with five gas giants, but according to the Nice model, Planet X may have been flung into interstellar space.

In their fantastic model, the Earth is only the size of a small marble. Even then, seven miles of open space was needed to show the entire solar system from the Sun to Neptune (sorry, Pluto).

The Sun, the planets, and all else that constitutes the solar system are hurtling toward the star Lambda Herculis, some 370 light-years away.

The planets of our solar system change in position while orbiting a central star, the sun. But does the sun itself move within the solar system?

Scale Model Solar System Scale Model Solar System Have you ever wondered just how big space really is? It’s huge. In fact, it’s astronomical! The Colorado Scale Model Solar System depicts the Sun, the ...