Why are geostationary satellites not use...

Why are geostationary satellites not useful for studies of polar regions ?

Text Solution

Verified by Experts

Geostationary satellites have two distinct charcteristic :
(1) Geostationary satellites are HEO satellites and are placed at 35780 km above the earth's surface.
(2) A geostationary satellite revolves in the equatorial plane of the earth, and thus, not around the polar regions.
Hence, geostationary satellites are not useful for studies of polar regions.

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A geostationary satellite

Revolves about the polar axis

Has a time period less than that of the near earth satellite

Moves faster than a near earth satellite

Is stationary in the space

Polar satellites

are sun-synchronous satellites.

cross the equator at different instants of time.

are used for communication purposes.

are also known as remote sensing satellites.

A geostationary satellite is one

which is used for geophysics

whose mass is equal to earth's mass

whose time period is same as that of earth

none of these