Remote sensing refers to a process of detecting and monitoring the physical geographical characteristics of a region through satellite or aircraft. Pixel refers to the smallest part of the image that can be seen on computer by zooming or in other words image is made of thousands of parts known as pixel. Only physical structure of animals can be seen. There are number of scientists which work together to interpret information present in a satellite image and these scientist has done specialization in different fields such as meteorology, computer programming, advanced mathematics and advanced physics.
