Extraterrestrial liquid water Extraterrestrial liquid water Extraterrestrial liquid water (from the Latin words: "extra" ["outside of, beyond"] and "terrestris" ["of or belonging to Earth"]) is water in its liquid state that naturally occurs outside Earth. It is a subject of wide interest because it is recognized as one of the key prerequisites for life as we know it and thus surmised as essential for extraterrestrial life. With oceanic water covering 71% of its surface, Earth is the only planet known to have stable bodies of liquid water on its surface, and liquid water is essential to all known life forms on Earth. The
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