"Sky coverage" refers to the extent or degree to which the sky is visible or obscured by clouds, haze, or other atmospheric conditions. Full definition
This all - sky coverage lets Fermi detect more gamma - ray bursts, and over a broader energy range, than any other mission. (sciencedaily.com)
To carry out an exhaustive two - year survey of extrasolar planets in both celestial hemispheres, TESS needed to occupy a very particular position in space, a highly stable place that maximized sky coverage and gave the observatory a mostly unobstructed view of the cosmos, all from a low - radiation, thermally benign environment. (sciencedaily.com)
Its separation in longitude allows for a 24 hour night time sky coverage in favorable weather conditions. (projectsolaris.eu)