antisolar point

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antisolar point

[¦an·tē¦sō·lər ‚pȯint]
(astronomy)
The point on the celestial sphere which lies directly opposite the sun from the observer, that is, on the line from the sun through the observer.

antisolar point

A point on the celestial sphere 180° from the sun. It is a projection to infinity of a line from the sun through the observer.