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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.
This globe is an interesting example of how celestial globes demonstrate both the scientific and the artistic talents of those who make them. All forty-eight classical constellations used in Ptolemy's Almagest are represented on the globe, meaning it could then be used in calculations for astronomy and astrology, such as navigation, time ...
The coveted title of Miss and Mr. Golden Globes dates back to 1963 when Donna Douglas and Eva Six shared the honor. The tradition of the role going to a celebrity kid, however, didn’t start ...
Hong Kong has turned into a hub for many violations of U.S. trade controls, including export of controlled Western technology to Russia and the creation of front companies to buy Iranian oil, the ...
Spoilers ahead! We've warned you. We mean it. Read no further until you really want some clues or you've completely given up and want the answers ASAP. Get ready for all of today's NYT ...
A large German equatorial mount on the Forststernwarte Jena 50cm Cassegrain reflector telescope. An equatorial mount is a mount for instruments that compensates for Earth's rotation by having one rotational axis, called polar axis, parallel to the Earth's axis of rotation. [1] [2] This type of mount is used for astronomical telescopes and cameras.
The semifinals of the 12-team College Football Playoff are set, and no conference champions remain.. All four of the teams still alive in the playoff hosted games in the first round of the playoff ...