Solar System 7 light-years away. Compared to many other planetary systems, the Solar System stands out in lacking planets interior to the orbit of Mercury. The known Solar System also lacks super-Earths (Planet Nine could be a super-Earth beyond the known Solar System). Uncommonly, it has only small rocky planets and large gas giants; elsewhere planets of intermediate size are typical—both rocky and gas—so there is no "gap" as seen between the size of Earth and of Neptune (with a radius 3.8 times as large). Also, these super-Earths have closer orbits than Mercury. This led to hypothesis that all planetary systems start
Solar hot water in Australia by selling the RECs their system is eligible. The Commonwealth government is also offering a $1000 rebate to the replacement of electric water heating. Residential and community buildings: Commercial buildings: By installing an environmentally friendly, gas-boosted solar water heater that replaces a previous water electric heating system, you are eligible of the Government of Western Australia’s rebate Solar hot water in Australia Solar hot water is water heated using only natural energy from the sun. Solar energy heats up large panels called thermal collectors commonly known as solar panels. The energy is transferred through a fluid (often water) to a