Earth Observation Satellites

Some articles on earth observation satellites, earth, satellites:

Earth Observation Satellites Transmission Frequencies
... The earth is constantly being monitored by a great number earth observation satellites ... These artificial satellites have onboard sensors from which they gather data ... The data is transmitted back to earth via radio frequency ...

Famous quotes containing the words satellites, earth and/or observation:

    To the Japanese, Portugal and Russia are neutral enemies, England and America are belligerent enemies, and Germany and her satellites are friendly enemies. They draw very fine distinctions.
    Jerome Cady, U.S. screenwriter, and Lewis Milestone. Peter Voroshevski (Howard Clinton?)

    What a grudge I am bearing the earth that has its arms about her,
    Petrarch (1304–1374)

    It is a great pity—but ‘tis certain from every day’s observation of man, that he may be set on fire like a candle, at either end—provided there is a sufficient wick standing out.
    Laurence Sterne (1713–1768)