 |
(5)
aircraft
...
|
|
(26)
models
...
|
|
(86)
terra
,
aqua
,
landsat
,
goes (geostationary operational environmental satellite)
,
ers earth resource satellite
...
|
|
(6)
gps (global positioning system)
,
fedsat
...
|
|
(6)
field investigation
,
field surveys
,
ground stations
...
|
|
(4)
soho
,
acrimsat
,
eos (earth observing system)
,
nasa small explorer (smex)
,
ace
...
|
|
(1)
buoys
...
|
|
(2)
space shuttle
,
apollo
,
gemini
,
iss
,
mercury
...
|
|
(3)
maps
...
|
|
|
