Astronomy chapter 3 EMS study guide

Astronomy chapter 3 EMS study guide - Name:_...

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Name:__________________________ Electromagnetic Spectrum: Study Guide Is all _________________regions. Is based on the _________________ _________________ . Marked on the horizontal axis the values increase by factors of _________________. _________________is the extent to which radiation is blocked by the material through which it is passing—in this case, air. Degrees of Transparency from least to greatest:___________ , ____________ , __________ The more opaque an object is, the less _________________ gets through it. Opacity is just the opposite of _________________ What causes opacity to vary along the spectrum? Certain atmospheric gases absorb radiation very efficiently at some wavelengths. For example, water vapor (H 2 O) and oxygen (O 2 ) absorb radio waves having wavelengths less than about a centimeter, while water vapor and carbon dioxide (CO 2 ) are strong absorbers of infrared radiation In home uses???? _________________ , _________________ , _________________ Other Factors of Opacity
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This note was uploaded on 01/04/2011 for the course ASTRO 100 taught by Professor Mckenna during the Spring '10 term at Immaculata.

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Astronomy chapter 3 EMS study guide - Name:_...

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