Artificial Satellites In Retrograde Orbit
Artificial satellites are rarely placed in retrograde orbit. This is partly due to the extra velocity (and fuel) required to go against the direction of the rotation of the Earth.
Most commercial earth observing satellites use retrograde orbit, and almost all communication satellites use prograde orbits.
Read more about Artificial Satellites In Retrograde Orbit: Examples, Space Warfare and Accidents
Famous quotes containing the words artificial, satellites and/or orbit:
“In truth, politeness is artificial good humor, it covers the natural want of it, and ends by rendering habitual a substitute nearly equivalent to the real virtue.”
—Thomas Jefferson (1743–1826)
“To the Japanese, Portugal and Russia are neutral enemies, England and America are belligerent enemies, and Germany and her satellites are friendly enemies. They draw very fine distinctions.”
—Jerome Cady, U.S. screenwriter, and Lewis Milestone. Peter Voroshevski (Howard Clinton?)
“Words can have no single fixed meaning. Like wayward electrons, they can spin away from their initial orbit and enter a wider magnetic field. No one owns them or has a proprietary right to dictate how they will be used.”
—David Lehman (b. 1948)