So Overstreet and his partner, Alex Gorosh, decided to build a model that would accurately represent what the solar system actually looks like.

With simple tools, there are three things you can observe to support the heliocentric model of the solar system.

Get your scrolling hand ready. An interactive web page has created a scale model of the solar system, where the moon is the size of just one pixel.

The solar panel frames and mounting rails need to be bonded (connected so that they maintain electrical continuity), and the whole mounting system then needs to be grounded to earth—i.e., with ...

If you create this model, the Earth and Sun should be about 23 metres apart. If you wanted to walk to the edge of the solar system (where the planet Neptune would be) you would have to walk thirty ...