Portrait of Percival Lowell who was the founder of the Lowell Observatory in Flagstaff, Arizona. Mr. Lowell was certain there was another planet to be found in the orbit of Neptune and started the search for Planet X in 1905
These images of Neptune were captured by the Voyager 2 spacecraft in 1989. The images are accompanie...
The Pre Raphaelite Brotherhood (PRB), founded in 1848 by William Holman Hunt, John Everett Millais a...
Astronomy is by far the most popular of the physical sciences, enticing enough to become a major cul...
This biographical study of Lowell presents a history of astronomy through the author’s work and writ...
Bigourdan Guillaume. Percival Lowell. — Mars ; 1890. In: Bulletin astronomique, tome 13, 1896. pp. 3...
Imprint varies: vol. II, Cambridge, The University Press; vol. III, n.p.Percival Lowell, director.I....
This is the 13-inch telescope that Clyde Tombaugh used to discover the planet Pluto, while called a ...
In 1896, Percival Lowell revealed his belief that markings he saw while observing Venus “radiate lik...
Percival LowellExlibrisstempel: "Bibliothèque Publique de Genève" Exemplar der ETH-BIBGeschenkexlibr...
Home of the Clark Telescope, the Lowell Observatory's mission is to pursue the study of astronomy, e...
Satellites of Mars photographed August 17, 1924. Phobos is the planet at the right. Deimos is consid...
University of Michigan.Vol. 1, no. 2- issued as the University of Michigan official publication, v. ...
The Clark Telescope Dome on Mars Hill at the Lowell Observatory in Flagstaff, Arizona
This site describes what early civilizations knew about our solar system and how astronomy developed...
xix p., 1 l., 288 p. illus., VIII pl. (incl. front.) 24 cm.Eight lectures delivered at the Lowell in...
These images of Neptune were captured by the Voyager 2 spacecraft in 1989. The images are accompanie...
The Pre Raphaelite Brotherhood (PRB), founded in 1848 by William Holman Hunt, John Everett Millais a...
Astronomy is by far the most popular of the physical sciences, enticing enough to become a major cul...
This biographical study of Lowell presents a history of astronomy through the author’s work and writ...
Bigourdan Guillaume. Percival Lowell. — Mars ; 1890. In: Bulletin astronomique, tome 13, 1896. pp. 3...
Imprint varies: vol. II, Cambridge, The University Press; vol. III, n.p.Percival Lowell, director.I....
This is the 13-inch telescope that Clyde Tombaugh used to discover the planet Pluto, while called a ...
In 1896, Percival Lowell revealed his belief that markings he saw while observing Venus “radiate lik...
Percival LowellExlibrisstempel: "Bibliothèque Publique de Genève" Exemplar der ETH-BIBGeschenkexlibr...
Home of the Clark Telescope, the Lowell Observatory's mission is to pursue the study of astronomy, e...
Satellites of Mars photographed August 17, 1924. Phobos is the planet at the right. Deimos is consid...
University of Michigan.Vol. 1, no. 2- issued as the University of Michigan official publication, v. ...
The Clark Telescope Dome on Mars Hill at the Lowell Observatory in Flagstaff, Arizona
This site describes what early civilizations knew about our solar system and how astronomy developed...
xix p., 1 l., 288 p. illus., VIII pl. (incl. front.) 24 cm.Eight lectures delivered at the Lowell in...
These images of Neptune were captured by the Voyager 2 spacecraft in 1989. The images are accompanie...
The Pre Raphaelite Brotherhood (PRB), founded in 1848 by William Holman Hunt, John Everett Millais a...
Astronomy is by far the most popular of the physical sciences, enticing enough to become a major cul...