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Antikythera mechanism, main fragment, c. 205 to 87 BC Carlo G Croce, reconstruction of Dondi's Astrarium, originally built between 1348 and 1364 in Padua. The Antikythera mechanism, discovered in 1901 in a wreck off the Greek island of Antikythera in the Mediterranean Sea, exhibited the diurnal motions of the Sun, Moon, and the five planets known to the ancient Greeks.
As of 2022, the precise location of the Solar System in the clouds is an open question in astronomy. [261] Within 10 light-years of the Sun there are relatively few stars, the closest being the triple star system Alpha Centauri, which is about 4.4 light-years away and may be in the Local Bubble's G-Cloud. [262]
Heliocentrism is the idea that the sun is the center of the universe, and all the planets revolve around it. This is opposite to geocentrism in which the Earth is the center of the universe with the sun and all the other planets revolve around it.
Encompasses the Sun, the inner planets (Mercury, Venus, Earth, Mars) and the asteroid belt. Cited distance is the 2:1 resonance with Jupiter, which marks the outer limit of the asteroid belt. [19] [20] [21] Outer Solar System: 60.14 AU 9.00×10 9: Includes the outer planets (Jupiter, Saturn, Uranus, Neptune). Cited distance is the orbital ...
On April 4, 2024, four planets will align on the same side of the sun as Earth. According to Star Walk , an astronomy app and developer, Venus, Mars, Saturn and Neptune will be visible.
The Family Portrait, or sometimes Portrait of the Planets, is an image of the Solar System acquired by Voyager 1 on February 14, 1990, from a distance of approximately 6 billion km (40 AU; 3.7 billion mi) from Earth. It features individual frames of six planets and a partial background indicating their relative positions.
Mormon cosmology teaches that the Earth is not unique, but that it is one of many inhabited planets, [39] each planet created for the purpose of bringing about the "immortality and eternal life" (i.e., the exaltation) of humanity. [40] These worlds were, according to doctrine, created by Jehovah, the pre-mortal Jesus. [41]
The ancient Hebrews, like all the ancient peoples of the Near East, believed the sky was a solid dome with the Sun, Moon, planets and stars embedded in it. [4] In biblical cosmology, the firmament is the vast solid dome created by God during his creation of the world to divide the primal sea into upper and lower portions so that the dry land could appear.