Monday, January 29, 2007

BEARINGS










VOLUME I: 
ASTEROIDAL
VOLUME II: 
INTERPLANETARY
VOLUME III: 
INTERSTELLAR









Navigators can use time tested  methods to determine Lines of Position (LOPs) during interstellar voyages. Examples include:
1)  Simplest LOP is course line from from Sol to destination star.
2)  Sextant sighting angles to nearby stars can generate additional LOPs.
When multiple LOPs cross course line at same position at same time, navigator has a successful "fix" to greatly increases his confidence in ship's position.  During cruise (constant velocity portion of  voyage), multiple fixes help the navigator accurately predict future positions.

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