X-rays, ultraviolet rays, visible light, infrared light, heat, microwaves, and radio and television waves are all examples of electromagnetic energy.Ī portion of the electromagnetic spectrum, ranging from wavelengths of 0.1 micrometer (a micrometer is one millionth of a meter) to one meter, within which most remote sensing systems operate. Electromagnetic radiation is a form of energy emitted by all matter above absolute zero temperature (0 Kelvin or -273° Celsius). Most remote sensing instruments measure the same thing: electromagnetic radiation. Add comments and questions of your own, if any.Ĭomments and questions may be posted on any page of the text, or in a Chapter-specific discussion forum in ANGEL. Read comments and questionsposted by fellow students. See the Calendar tab in ANGEL for due dates. Instructions are provided for each activity.ĪNGEL > Lessons tab > Chapter 8 folder > Chapter 8 Graded Quiz.
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