Satellite Dataflow Vocabulary
Depending on your grade level,
the following terms may need to be defined and
given further explanation.
A body that revolves around a planet; a moon; a human-made device
designed to be launched from the Earth into orbit
around a planet or the Sun.
A region of the electromagnetic spectrum that is outside the
visible spectrum of energy and cannot be detected by the human eye.
That is, electromagnetic waves of frequencies higher than those of
violet, but lower than those of x-ray.
The Electromagnetic Spectrum
|Gamma Ray||X-Ray||Extreme Ultraviolet||Ultraviolet
Rotation refers to the motion of an object spinning around its own axis.
In a spherical object the axis passes through the center of the sphere.
In a non-spherical object it is the line of symmetry about which the
Revolution refers to the motion of an object about another.
This motion may trace a path that is circular or nearly circular.
example, the Earth revolves around the Sun and the Moon revolves around
the Earth. The path the object takes is called the orbit.
An object in space which revolves about the Earth
once every 24 hours is in a geosynchronous orbit about the Earth.
This means that the object is
always above the same spot on the Earth. In order for
the object to revolve about the Earth in 24 hours,
it must be approximately 26,000 miles from the Earth's center (22,000 miles
from the surface of the Earth).
Data "Drop Out"
Data just stops flowing, a break in the transmission of
information from the satellite.
Return to Lesson Plan Details
Return to Procedure (at "rotation")
All text, images and other resources in this page are Copyright © 1995, 1996 The Regents of the University of California. All rights reserved.