Question

How can Optical Images captured at night is an example of Passive Remote Sensing?

Answer 1

Explanation:

Passive Remote sensing has the property of gathering natural energy emitting or reflecting from the surface or atmosphere. Optical images captured at night is an example of Passive Remote sensing for the following reasons.

• Detection of different bands of color lights emitting from the surface.
• Find out the Radiometric information such as brightness, tones and intensity of the lights.
• Determine the textural information.  

Properties of the passive remote sensing are the main reasons for an example of optical images at night.

Answer 2

Passive remote sensing is use of own light source to capture images of objects.

Explanation:

• Remote sensing is the art of obtaining information from a far object without coming into contact with the object.

• Remote sensing depend on the use of sensors such as passive and active. Passive remote sensing is called passive when the images of the objects are taken at night. The example of aerial photography at night.

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