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Globe at Night is an international scientific research program that crowdsources measurements of light pollution in the night sky. At set time periods within each year, the project asks people to count the number of stars that they can see from their location and report it to the project's website.
The globe was also depicted on media and souvenirs promoting the fair. [33] The Unisphere's popularity was also increased by the presence of fountainheads around the globe's base, which cooled down fair visitors on hot days. [34] During the fair, dramatic lighting at night gave the effect of sunrise moving over the surface of the globe.
The latitude angle of 32° indicates that the globe was made in the Lahore workshop. [20] This specific "workshop claims 21 signed globes—the largest number from a single shop" making this globe a good example of celestial globe production at its peak. [21] The globe itself has been manufactured in one piece, so as to be seamless.
It is the lunar equivalent of the division between night and day on the Earth spheroid, although the Moon's much lower rate of rotation [7] means it takes longer for it to pass across the surface. At the equator, it moves at 15.4 kilometres per hour (9.6 mph), as fast as an athletic human can run on earth.
NASA WorldWind, an open-source virtual globe with stars and advanced atmosphere & sunlight effects. A virtual globe is a three-dimensional (3D) software model or representation of Earth or another world. A virtual globe provides the user with the ability to freely move around in the virtual environment by changing the viewing angle and position.
The ancient Greeks assumed the literal truth of stars attached to a celestial sphere, revolving about the Earth in one day, and a fixed Earth. [9] The Eudoxan planetary model , on which the Aristotelian and Ptolemaic models were based, was the first geometric explanation for the "wandering" of the classical planets . [ 10 ]
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