
Section 23.1 The Solar System This section gives an overview of the planets of the solar system and describes the nebular theory of the formation of the solar system.

These minor ‘planets’ are now divided into two classes: dwarf planets, and Small Solar System Bodies (SSSBs). Between the orbits of Mars and Jupiter lies what is termed the Main Belt of what are still universally called asteroids, the largest of which, Ceres, has been elevated to dwarf planet status.

The history of stern drive power begins in the First World War with the production of the MAS of , with two counter-rotating propellers. In 1948, engineer mated an aluminum car racing engine to the lower unit of an outboard motor, creating a marine propulsion system more powerful than the outboard motors available at the time. During the 1950s, he and fellow engineer worked at Mer.

Solar Photovoltaic (PV) panels are generally installed on a roof and use the energy from the sun to power any electrical appliance in your home, including electric radiators. This electricity is free to produce and is great for the environment as no carbon is given off during the production process, unlike electricity. . As previously mentioned, a solar inverter is a very important component in a solar powered system as it converts the direct current (DC) from the. . Electric radiator technology has come on leaps and bounds in recent years and there are now a huge variety of designs, sizes and finishes all optimised to be as energy efficient as.