Difference between revisions of "Opposition"
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'''Opposition''' occurs when the Sun and Moon are 180° apart in [http://en.wikipedia.org/wiki/Ecliptic_longitude ecliptic longitude] (the rotation angle measured in the plane of the solar system bodies). This means that they are nearly opposite each other in the sky, but not necessarily exactly, since they may differ in latitude (the coordinate perpendicular to the ecliptic longitude).<br /> <br /> | '''Opposition''' occurs when the Sun and Moon are 180° apart in [http://en.wikipedia.org/wiki/Ecliptic_longitude ecliptic longitude] (the rotation angle measured in the plane of the solar system bodies). This means that they are nearly opposite each other in the sky, but not necessarily exactly, since they may differ in latitude (the coordinate perpendicular to the ecliptic longitude).<br /> <br /> | ||
==Additional Information== | ==Additional Information== | ||
− | * The moment of [ | + | * The moment of [[phases|Full Moon]] is defined as the moment when the Sun and Moon are in opposition as seen by an imaginary observer at the Earth's center. |
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Latest revision as of 17:42, 15 April 2018
Opposition
(glossary entry)
Description
Opposition occurs when the Sun and Moon are 180° apart in ecliptic longitude (the rotation angle measured in the plane of the solar system bodies). This means that they are nearly opposite each other in the sky, but not necessarily exactly, since they may differ in latitude (the coordinate perpendicular to the ecliptic longitude).
Additional Information
- The moment of Full Moon is defined as the moment when the Sun and Moon are in opposition as seen by an imaginary observer at the Earth's center.
LPOD Articles
Bibliography