Satellite imagery (also Earth observation imagery or spaceborne photography) are images of Earth or other planets collected by imaging satellites operated by governments and businesses around the world. Satellite imaging companies sell images by licensing them to governments and businesses such as Apple Maps and Google Maps.
2. WHAT IS A MAP?
• The map is a representation of the earth’s surface.
• It presents information about the world in a simple
way.
• With the help of a map, we can determine the size
and shape of countries.
• It helps us to show the distance between certain
places.
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3. TYPES OF MAPS
• There are many different types of maps;
1.Political Maps.
2.Physical Maps.
3.Thematic Maps.
4.Topographic Maps.
5.Climatic map.
6.Economic map.
7.Road map.
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4. Political Maps:
• They usually show the
cities, towns, and villages.
• It does not show physical
features.
• The capital city is marked
with a star within a circle.
• They show state and
national boundaries.
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5. Physical Maps:
• They are also known as
“Relief Maps”.
• It shows the natural features
of the earth.
• They do not contain man-
made features.
• Green color = lower
elevations.
• Orange/ Brown = higher
elevations.
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6. Thematic Maps:
• It is also called a “Statistical Map”.
• It focuses on spatial variability.
• The primary purpose of a thematic
map is to visually portray a non-
visual phenomenon.
• A good thematic map clearly shows
geographic patterns that mirror
patterns in the real world.
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7. Topographic Plates:
• It shows the shape of the
earths surface.
• It is used by geologist to
record types of rocks.
• Engineers use it when
they are planning roads,
buildings or other
human-made structures.
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8. IMPORTANCE OF MAP
• Maps use symbols like lines and different
colors to show features.
• Maps also help us to know distances so that
we know how far away one thing is from
another.
• Maps can show distributions of things over
Earth
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