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Oort, Jan Hendrik

(Encyclopedia) Oort, Jan HendrikOort, Jan Hendrikōrt [key], 1900–1992, Dutch astronomer. He confirmed (1927) Bertil Lindblad's theory of the Milky Way galaxy's rotation. In the 1950s he and his…

Josephine Preston Peabody: The Cloud

The CloudJosephine Preston PeabodyThe islands called me far away, The valleys called me home. The rivers with a silver voice Drew on my heart to come.The paths reached tendrils to my hair…

Percy Bysshe Shelley: The Cloud

by Percy Bysshe Shelley A Vision of the SeaTo a SkylarkThe Cloud Published with "Prometheus Unbound", 1820. I bring fresh showers for the thirsting flowers, From the seas and the streams…

Quiz: Identify the Cloud Types

Do you know your clouds? From cumulus to cirrus, each cloud type has its own unique characteristics and can tell us a lot about the weather. Take this quiz to test your knowledge of the different…

Bighorn Mountains

(Encyclopedia) Bighorn Mountains, range of the Rocky Mts., N central Wyo., extending c.120 mi (190 km) N into S Montana, E of the Bighorn River. Cloud Peak, 13,165 ft (4,013 m), is the highest point…

ceilometer

(Encyclopedia) ceilometerceilometersēlŏmˈĭtər [key], in aviation and meteorology, automatic instrument used to record ceiling, i.e., the altitude of the lowest cloud layer covering more than half of…