Temperature of distant luminous bodies can be determined by

1.	Temperature of distant luminous bodies can be determined by
Answer» Pyrometers A pyrometer is a type of remote-sensing THERMOMETER used to measure the temperature of a surface. It is a device that from a distance DETERMINES the temperature of a luminous surface from the spectrum of the thermal radiation it EMITS, a PROCESS known as pyrometry.

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Pyrometers

A pyrometer is a type of remote-sensing THERMOMETER used to measure the temperature of a surface. It is a device that from a distance DETERMINES the temperature of a luminous surface from the spectrum of the thermal radiation it EMITS, a PROCESS known as pyrometry.

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Temperature of distant luminous bodies can be determined by

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