Lecture 2 Spring 2010

Lecture 2 Spring 2010 - Lecture 2 Outline Notes Chapter 2...

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Lecture 2 Outline Notes – Chapter 2 Solar Energy The sun has ____________ of the matter in the solar system. This giant mass produces huge pressures and high temperatures deep within the interior. Hydrogen nuclei are joined together in the process of fusion, and enormous quantities of energy are liberated The sun’s principal outputs are solar wind and radiant energy. Solar wind : Solar wind is deflected by the earth’s ________________ : a magnetic field surrounding the earth, which is generated by dynamo-like motions within the planet. Interaction of the ________________ and the upper layers of _______________ produce auroras: ______________ (northern lights) and __________________ (southern lights). The sun has ___________ of the matter in the solar system: A. 80% B. 90% C. 95% D. 99.9% Clouds of electrically charged particles that surge outward in all directions from the Sun’s surface are called: A. Solar nebula B. Solar wind C. Solar storms D. Solar hot spots Solar wind is deflected by: A. The upper Atmosphere B. The Magnetosphere C. Gravity D. Centrifugal force T/F Auroras are caused by the interaction of solar wind and the upper layers of the Earth’s atmosphere. T/F The aurora australis are the northern lights. Radiant Energy The solar radiation we receive occupies part of the electromagnetic spectrum of radiant energy. The spectrum of radiant energy is made up of different ______________. The hotter the object, the _____________ the wavelength emitted. **Most of the energy transmitted from the sun is ________________ energy. **The earth absorbs the sun’s radiation and radiates it back out as ____________energy, since the earth is not nearly as hot as the sun.
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Type of Ray (shortest to longest) Example (Not in text) A B C D E F G H I Solar radiation that reaches the Earth is called _______________ from in coming sol ar radia tion . Which ones are not matched correctly? a) Gamma rays: luminous bursts in space b) Radio wavelengths: TV c) Ultraviolet: vegetation depicted in reds d) Thermal infrared: the Earth e) Middle/thermal infrared: Thermography f) Near infrared: bees g) Visible light: rainbow h) Microwave: radar a) Gamma rays: short wave b) Radio wavelengths:
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Lecture 2 Spring 2010 - Lecture 2 Outline Notes Chapter 2...

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