English clockmaker John Harrison revolutionized long distance seafaring in the 18th century, solving the problem of calculating longitude at sea and devising tools that helped sailors navigate with ...
- (astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback