On a 1:1 billion scale model of the solar system, it would take about 7,320 steps to reach pluto from the sun. That’s 3.66 miles. In reality, that would equate to roughly 7,320,000,000 steps. At Alton ...

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...

Solar panels can help cut your energy bills – here’s how they generate power, what happens to the electricity you don’t use, ...