Alignment of the Planets

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Learning about Astronomy _____________________________star4me.gif (3183 bytes)

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Conjunction -
The moment when two celestial objects lie closest together in the sky.

Maximum Easterly or Westerly Elongation -
A position farthest from the Sun and in the best position to observe the planet from the Earth.

Opposition -
When Mars, Jupiter, or Saturn (outside the Earth's orbit and visible to the naked eye) move into a position opposite the Sun and are in the night sky.

Retrograde Orbit -
When more than two planets move in elliptical orbit about the Sun (the sun at one foci). When viewed from Earth, against the stationary star background, another planet appears to move towards then stops and move away in the opposition direction.

MORE INFORMATION WILL BE ADDED SOON!


There have been:  Visitors since 11/19/98
This web site was updated on 08/10/99

For additional information contact
Bernie Kluga  President, Mark Simpson VP  , Carol Bates, Treasurer, Nick Beser, Secretary
APL Amateur Astronomy Club, 443-778-7257 or 240-228-7257

  Copyright 1996, 1997, 1998,1999 by JHU/APL Amateur Astronomy Club. All rights reserved.