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View of the night sky in July The day's blue sky, clouds and the Moon. The sky is an unobstructed view upward from the surface of the Earth. It includes the atmosphere and outer space. It may also be considered a place between the ground and outer space, thus distinct from outer space. In the field of astronomy, the sky is also called the ...
Near the edges of the earth is a region inhabited by fantastical creatures, monsters, and quasi-human beings. [6] Once one reaches the ends of the earth they find it to be surrounded by and delimited by an ocean (), [7] [8] as is seen in the Babylonian Map of the World, although there is one main difference between the Babylonian and early Greek view: Oceanus is a river and so has an outer ...
Aristotle theorized that aether did not exist anywhere on Earth, but that it was an element exclusive to the heavens. As substances, celestial bodies have matter (aether) and form (a given period of uniform rotation). Sometimes Aristotle seems to regard them as living beings with a rational soul as their form [2] (see also Metaphysics, bk. XII).
Each of the seven heavens corresponds to one of the seven classical planets known in antiquity. Ancient observers noticed that these heavenly objects (the Moon, Mercury, Venus, the Sun, Mars, Jupiter, and Saturn) moved at different paces in the sky both from each other and from the fixed stars beyond them.
The apparent motion of an astronomical object (e.g. the Sun, a planet, or a distant star) around the two celestial poles in the Earth's night sky over the course of one day. Diurnal motion is caused by Earth's rotation about its own axis, such that every object appears to follow a circular path called the diurnal circle.
With Rhode Helios sired seven sons, known as the Heliadae ("sons of the Sun"), who became the first rulers of the island, as well as one daughter, Electryone. [87] Three of their grandsons founded the cities Ialysos , Camiros and Lindos on the island, named after themselves; [ 86 ] thus Rhodes came to belong to him and his line, with the ...
Here's a breakdown of how and why it all happens. But the science behind a blue sky isn't that easy. For starters, it involves something called the Rayleigh effect, or Rayleigh scattering.
The zenith (UK: / ˈ z ɛ n ɪ θ /, US: / ˈ z iː n ɪ θ /) [1] [2] is the imaginary point on the celestial sphere directly "above" a particular location. "Above" means in the vertical direction opposite to the gravity direction at that location . The zenith is the "highest" point on the celestial sphere.