Loose Leaf For Explorations: Introduction To Astronomy
9th Edition
ISBN: 9781260432145
Author: Thomas T Arny, Stephen E Schneider Professor
Publisher: McGraw-Hill Education
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Chapter 12, Problem 2TQ
To determine
How hydroelectric power generation is an indirect connection of solar power.
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Which best describes the characteristics of the interaction between solar radiation and greenhouse
gases?
Earth's incoming solar radiation is in the shortwave UV spectrum
Earth's reflected outgoing radiation is in the far infrared spectrum so it can't escape
Earth's incoming solar radiation is in the longwave length far-infrared spectrum
Earth's reflected outgoing radiation is in the shortwave UV spectrum so it can't escape
Suppose that a typical power plant produces about 10 billion kilowatt-hours
(kWh) per year. To produce the same amount of energy by a solar power
plant, how much surface area would be needed for the solar voltaic panels at
least?
. Explain the importance of solar energy power generation with reference to present world energy scenario.
Chapter 12 Solutions
Loose Leaf For Explorations: Introduction To Astronomy
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Ch. 12 - Prob. 11QFRCh. 12 - Prob. 12QFRCh. 12 - Prob. 13QFRCh. 12 - Prob. 14QFRCh. 12 - Prob. 15QFRCh. 12 - Prob. 16QFRCh. 12 - Prob. 17QFRCh. 12 - Prob. 18QFRCh. 12 - Prob. 19QFRCh. 12 - Prob. 20QFRCh. 12 - Prob. 1TQCh. 12 - Prob. 2TQCh. 12 - Prob. 3TQCh. 12 - Prob. 4TQCh. 12 - Prob. 5TQCh. 12 - Prob. 6TQCh. 12 - Prob. 7TQCh. 12 - Prob. 8TQCh. 12 - Prob. 9TQCh. 12 - Prob. 1PCh. 12 - Prob. 2PCh. 12 - Prob. 7PCh. 12 - Prob. 8PCh. 12 - Prob. 9PCh. 12 - Prob. 10PCh. 12 - Prob. 11PCh. 12 - Prob. 1TYCh. 12 - Prob. 2TYCh. 12 - Prob. 3TYCh. 12 - Prob. 4TYCh. 12 - Prob. 5TYCh. 12 - Prob. 6TY
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- (a) Calculate the power per square meter reaching Earth's upper atmosphere from the Sun. (Take the power output of the Sun to be 4.001026 W.) (b) Part of this is absorbed and reflected by the atmosphere, so that a maximum of 1.30 kW/m2 reaches Earth's surface. Calculate the area in km 2 of solar energy collectors needed to replace an electric power plant that generates 750 MW if the collectors convert an average of 2.00% of the maximum power into electricity. (This small conversion efficiency is due to the devices themselves, and the fact that the sun is directly overhead only briefly.) With the same assumptions, what area would be needed to meet the United States' energy needs (1.051020J) ? Australia's energy needs (5.41018J) ? China's energy needs (6.31019J) ? (These energy consumption values are from 2006.)arrow_forwardDiscuss the two types of primary energy sources.arrow_forwardWhat is solar energy?arrow_forward
- Question: Calculate the Solar Energy potential (GWh) that can be generated on Annual Basis if 50,000km2 of the area of Jordan was covered with Solar PV modules. List your assumptions: Solar PV estimated generation = 2GWh/MWp Each 1MWp will need = 10,000m2 Cost of fossil fuel to generate electricity in Jordan = 1000 million JD/year Annual Electricity Generated in Jordan = 20,000 GWh Required Calculate Solar Energy potential by Dividing the Electricity generated from PV over 50,000km2 / Annual Electricity Generated? You are going to Build a Solar PV Plant to cover the Annual Electricity Needs of Jordan What is the Size of the plant? Calculate Present Value (P), if the cost of the 1MWp = 500,000JD. If the cost of Generation of Electricity in Jordan is 0.10JD/KWh, what is the Simple Payback Period (SPP)? What is the annual electricity saving (A0) if the degradation is 1%? What is (A1) if the operation, maintenance and cleaning is 2% of initial cost? What…arrow_forwardConsider the benefits and drawbacks of nuclear power before making a decision. Why should we pursue nuclear fusion as an energy source indefinitely?arrow_forwardCircle the right answer(s): Power produced by these or this type of Renewable Energy are/is predictable Solar Energy Wave Energy Wind Energy Geothermal Energy Tidal Energyarrow_forward
- The photovoltaic systems are designed based on “Peak Sun Hours.” What is peak sun hour?arrow_forwardCould passive geothermal energy help us move towards a sustainable future?arrow_forwardThe US had 264 billion barrels of oil in reserve at the end of 2019. Us annual energy consumption is 1.0 x 1020 joules and energy released by burning a liter of oil is 1.2 x 107 joules. How long can the US run on its reserves? Use the conversion 1 barrel = 159 liters.arrow_forward
- Which is a good estimate for the amount of solar irradiance hitting the Earth’s surface on a clear day? Select only one. 1) 1kcal/ft^2 2) 1w/m^2 3) 100J/m^2 4) 1kw/m^2 5) 1BTU/ft^2arrow_forwardYou will consider the historical and ethical contexts of Solar energy. This will provide a factual foundation to help guide your analysis. What are three to five ethical questions that surround Solar Energy?arrow_forwardIs it photovoltaics is the only form of solar energy?arrow_forward
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