Celestial Navigation · Planets — Venus by Day
Venus is sometimes observable for a sight in daylight because it is:
- AThe brightest planet, occasionally visible against the daytime sky when its position is known✓ Correct
- BLarger than the sun
- CAlways at the zenith
- DA circumpolar star
Explanation
Venus can be bright enough to be seen and observed in daylight if the navigator knows where to look (from its precomputed altitude and azimuth). A daytime Venus sight crossed with a sun line can give a fix when stars are unavailable.
Authority: Bowditch (Pub. No. 9)
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