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Waubeshiek

(Encyclopedia)Waubeshiek wôˈbəshēk [key], c.1794–c.1841, Native North American prophet, also known as White Cloud. He was a friend and adviser of Black Hawk and by prophesying victory was chiefly responsible ...

Olympus

(Encyclopedia)Olympus ōlĭmˈpəs [key], Gr. Ólimbos, mountain range, c.25 mi (40 km) long, N Greece, on the border of Thessaly and Macedonia, near the Aegean coast. It rises to c.9,570 ft (2,920 m) at Mt. Olympu...

Aorangi, Mount

(Encyclopedia)Aorangi, Mount ouräkˈē [key] [both: Maori,=cloud in the sky], or Mount Cook, 12,254 ft (3,735 m) high, on the South Island, New Zealand, in the Southern Alps; highest peak of New Zealand. Several g...

Fries, Elias Magnus

(Encyclopedia)Fries, Elias Magnus ĕlēˈäs mängˈnəs frēs [key], 1794–1878, Swedish botanist. He taught (1834–59) at the Univ. of Uppsala. Fries originated the modern classification of fungi and lichens. H...

Eichler, August Wilhelm

(Encyclopedia)Eichler, August Wilhelm ouˈgo͝ost vĭlˈhĕlm īkhˈlər [key], 1839–87, German botanist. He worked out the symmetry of the parts of a flower and developed a system of plant classification which, ...

sunstone

(Encyclopedia)sunstone. 1 Crystal mineral thought by some to have been used by the Vikings as an aid to navigation, especially in conditions of low visibility due to clouds or fog when the position of the sun was u...

brown dwarf

(Encyclopedia)brown dwarf, in astronomy, celestial body that is larger than a planet but does not have sufficient mass to convert hydrogen into helium via nuclear fusion as stars do. Also called “failed stars,”...

Leuckart, Karl Georg Friedrich Rudolf

(Encyclopedia)Leuckart, Karl Georg Friedrich Rudolf kärl gāˈôrk frēˈdrĭkh ro͞oˈdôlf loiˈkärt [key], 1823–98, German zoologist, a founder of the science of parasitology. He made important discoveries i...

Horsehead Nebula

(Encyclopedia)Horsehead Nebula, dark nebula located in the constellation Orion; designated IC 434 or B 33. It consists of a cloud of nonluminous interstellar matter resembling the outline of a horse's head and appe...

interstellar matter

(Encyclopedia)interstellar matter, matter in a galaxy between the stars, known also as the interstellar medium. The interstellar gas, which constitutes about 99% of the interstellar matter, consists mostly of hyd...