Australia Solar Quotes

Manufacturing a solar panel consumes more energy than it will ever deliver. False. The energy yield ratio (the ratio of energy delivered by a system over its lifetime, to the energy required to make it) of a roof-mounted, grid-connected solar system in Central Northern Europe is 4, for a system with a lifetime of 20 years (Richards and Watt, 2007); and more than 7 in a sunnier spot such as Australia. (An energy yield ratio bigger than one means that a system is A Good Thing, energy-wise.) Wind turbines with a lifetime of 20 years have an energy yield ratio of 80.

One find in Western Australia turned up zircon crystals dated to 4.4 billion years ago, just a couple of hundred million years after the earth and the solar system formed. By analyzing their detailed composition, researchers have suggested that ancient conditions may have been far more agreeable than previously thought. Early earth may have been a relatively calm water world, with small landmasses dotting a surface mostly covered by ocean.15 That’s not to say that earth’s history didn’t have its moments of flaming drama. Roughly fifty to one hundred million years after its birth, earth likely collided with a Mars-sized planet called Theia, which would have vaporized the earth’s crust, obliterated Theia, and blown a cloud of dust and gas thousands of kilometers into space. In time, that cloud would have clumped up gravitationally to form the moon, one of the larger planetary satellites in the solar system and a nightly reminder of that violent encounter. Another reminder is provided by the seasons. We experience hot summers and cold winters because earth’s tilted axis affects the angle of incoming sunlight, with summer being a period of direct rays and winter being a period of oblique ones. The smashup with Theia is the likely cause of earth’s cant. And though less sensational than a planetary collision, both the earth and the moon endured periods of significant pummelings by smaller meteors. The moon’s lack of eroding winds and its static crust have preserved the scars but earth’s thrashing, less visible now, was just as severe. Some early impacts may have partially or even fully vaporized all water on earth’s surface. Despite that, the zircon archives provide evidence that within a few hundred million years of its formation, earth may have cooled sufficiently for atmospheric steam to rain down, fill the oceans, and yield a terrain not all that dissimilar from the earth we now know. At least, that’s one conclusion reached by reading the crystals.

Mythconceptions Manufacturing a solar panel consumes more energy than it will ever deliver. False. The energy yield ratio (the ratio of energy delivered by a system over its lifetime, to the energy required to make it) of a roof-mounted, grid-connected solar system in Central Northern Europe is 4, for a system with a lifetime of 20 years (Richards and Watt, 2007); and more than 7 in a sunnier spot such as Australia. (An energy yield ratio bigger than one means that a system is A Good Thing, energy-wise.) Wind turbines with a lifetime of 20 years have an energy yield ratio of 80.

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The Yognul people of Australia thought the constellation represented a canoe. But as we move into the southern hemisphere, a marked change in the nature of the constellations becomes apparent. The southern constellations were named by explorers of the 16th and 17th centuries. Instead of great heroes and gods, we have the keels of ships, sextants, telescopes and the like, things that mattered most to the people of this era. What constellations would we put in the night sky today? Indeed, when human beings go out and colonise the stars, what constellations will they put up in their night skies?

Carlton Church: Australia in Doubt on Building Nuclear Plant With the continuous trend of nuclear proliferation, the nuclear-free Australia is in critical dilemma on whether to start the industry in the country or not. On one end of the coin, the negative effects of nuclear generation will surely cause skepticisms and complaints. On the other side, nuclear fuel industry is worth exploring. Prime Minister Malcolm Turnbull has been reserved when it comes to nuclear talks but he did admit that “Australia should ‘look closely’ at expanding its role in the global nuclear energy industry, including leasing fuel rods to other countries and then storing the waste afterwards”. South Australian Premier Jay Weatherill set up a royal commission in March to undertake an independent investigation into the state’s participation in the nuclear fuel cycle. Carlton Church International, non-profit organization campaigning against nuclear use, says there is no need for Australia to venture into nuclear turmoil as they already have an extensive, low cost coal and natural gas reserves. Other critics has also seconded this motion as it is known that even Turnbull has pointed out that the country has plentiful access to coal, gas, wind and solar sources. During an interview, he also stated, “I’m not talking about the politics. We’ve got so much other affordable sources of energy, not just fossil fuel like coal and gas but also wind, solar. The ability to store energy is getting better all the time, and that’s very important for intermittent sources of energy, particularly wind and solar. But playing that part in the nuclear fuel cycle I think is something that is worth looking at closely”. A survey was also conducted among random people and a lot of them have been reluctant about the nuclear issue. Some fear that the Fukushima Daichii Incident would happen, knowing the extent of the damage it has caused even to those living in Tokyo, Japan. Another review also stated, “We only have to look at the Fukushima disaster in Japan to be reminded of the health, social and economic impacts of a nuclear accident, and to see that this is not a safe option for Australians.” According to further studies by analysts, 25 nuclear reactors can be built around Australia producing a third of the country’s electricity by 2050. But it also found nuclear power would be much more expensive to produce than coal-fired power if a price was not put on carbon dioxide emissions. Greenpeace dismissed nuclear power as “an expensive distraction from the real solutions to climate change, like solar and wind power”. - See more at: carltonchurchreview.blogspot