Search results
Results from the WOW.Com Content Network
Equatorial mounts allow astronomers to point telescopes at the same celestial object for longer times while compensating for Earth's rotation in an easy way. The axis of an equatorial mount is parallel to Earth's surface when observing stars at Earth's equator – but perpendicular to it when observing from one of Earth's poles.
A globe is a spherical model of Earth, of some other celestial body, or of the celestial sphere. Globes serve purposes similar to maps, but, unlike maps, they do not distort the surface that they portray except to scale it down. A model globe of Earth is called a terrestrial globe. A model globe of the celestial sphere is called a celestial globe.
Ellen Eliza Fitz was born in 1835 in Kingston, New Hampshire.When she was a child, she moved to Massachusetts and grew up in Lynnfield and Newton.She grew to be scholarly and curious, spending most of her time as a teenager translating classical texts, such as the Eclogues of Virgil and publishing poetry. [1]
Projects the globe onto eight octants (Reuleaux triangles) with no meridians and no parallels. 1909 Cahill's butterfly map: Polyhedral Compromise Bernard Joseph Stanislaus Cahill: Projects the globe onto an octahedron with symmetrical components and contiguous landmasses that may be displayed in various arrangements. 1975 Cahill–Keyes projection
Early world maps cover depictions of the world from the Iron Age to the Age of Discovery and the emergence of modern geography during the early modern period.Old maps provide information about places that were known in past times, as well as the philosophical and cultural basis of the map, which were often much different from modern cartography.
The only true world map is the globe. The Mercator projection comes from a globe inside a cylinder. The Mercator projection and its use on a world map. This projection first came into use in the 16th century by the Dutch.
The division of Earth by the Equator and the prime meridian Map roughly depicting the Eastern and Western hemispheres. In geography and cartography, hemispheres of Earth are any division of the globe into two equal halves (hemispheres), typically divided into northern and southern halves by the Equator and into western and eastern halves by the Prime meridian.
Emery Molyneux (/ ˈ ɛ m ə r i ˈ m ɒ l ɪ n oʊ / EM-ər-ee MOL-in-oh; died June 1598) was an English Elizabethan maker of globes, mathematical instruments and ordnance.His terrestrial and celestial globes, first published in 1592, were the first to be made in England and the first to be made by an Englishman.