Aún no tenemos significados para "telescopic observation".
1The moon perhaps is the easiest of all objects of telescopic observation.
2Jupiter is one of the easiest of all objects of telescopic observation.
3The Martian canals, as telescopic observation will prove in almost all cases, follow straight lines.
4Besides these data, they had only photos, drawings, and conjecture from more than a century of Earth-based telescopic observation.
5But the proof of the absence of life is yet stronger when we consider the results of actual telescopic observation.
6He recounted telescopic observations he made during Mars's close approach to Earth in 1954.
7Of late, the chief object of his telescopic observations during the day were the doings at the neighboring manor.
8We have a pretty fair idea of conditions on Tareesh; our astronomers have been making telescopic observations for the past fifteen centuries.
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