Satellites

Question 1

How many satellites are in soace

Answer 1

1000 s

Question 2

What do satellites do (1)

Answer 2

Take images

Question 3

What do satellite imagery look like (3)

Answer 3

Some are from the whole earth, others are closer others are angled

Question 4

What is SA’s satellite called that twkes images of SA daily and when was it launched

Answer 4

Landsat 7 on Jully 1999

Question 5

What do satellite images provide (7)

Answer 5

Vegetation cover
Soil moisture content
Where soil erosion takes place
Where settlements are
Where weather/ wetlands are

Data of weather forecast (cloud patters)
Earthquake/tsunamis studied

Question 6

How are satellite comparisons made

Answer 6

Images are taken daily kver a long period of time so we cam compare to past images