The curious phenomena attending Jovian satellite-transits may be explained, partly as effects of contrast, partly as due to temporary obscurations of the small discs projected on the large disc of Jupiter.
The obscurations in question were found to be produced by no deficiency of emissive power, but by an increase of absorptive action.
It was accompanied by a steady assertion, on Herschel's part, of permanence in the dark markings, notwithstanding partial obscurations by clouds and vapours floating in a "considerable but moderate atmosphere.
We may, then, rest assured that none of the remarkable obscurations recorded in history were due to eclipses of the annular kind.
The luminous outbursts, not the obscurations of variable stars, obey a law analogous to that governing the development of spots on the sun.
And now to observe with what bewildering obscurations and impediments all this as yet stands entangled, and is yet intelligible to no man!
Bewildering obscurations and impediments: Valiant Sons of Toil enchanted, by the million, in their Poor-Law Bastille.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "obscurations" in a variety of sentences. We hope that you will now be able to make sentences using this word.