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File information Description Phases of Venus: As it moves around its orbit, Venus displays phases like those of the Moon: it is new when it passes between the Earth and the Sun, small and full when it is on the opposite side of the Sun, and a half-phase when it is at its maximum elongations from the Sun. Venus is brightest when it is a large but thin crescent and much closer to the Earth.
Original file (SVG file, nominally 1,000 × 750 pixels, file size: 22 KB) Render this image in French (fr) (default language) . This is a file from the Wikimedia Commons .
English: In the geocentric model of the solar system, as Venus moves on its epicycle (while the epicycle moves around the Earth), it is always in between the Earth and the Sun. Therefore, the only possible phases of Venus would be new and crescent phases.
Description: A simplified plot of the position of Venus with respect to the Earth (i.e. geocentric perspective). For this graphic, Venus and the Earth are assumed to be in coplanar concentric perfect circular orbits around the sun, and Venus' and Earth's orbital periods are assumed to be in an exact 8:13 ratio (so that the size of Venus' orbit with respect to the Earth's is set as the cube ...
Description: A simplified plot of the position of Venus with respect to the Earth (i.e. geocentric perspective). For this graphic, Venus and the Earth are assumed to be in coplanar concentric perfect circular orbits around the sun (with Venus' orbit having a radius of 0.724 AU), and Venus' and Earth's orbital periods are assumed to be in an exact 8:13 ratio.
Original file (SVG file, nominally 16 × 16 pixels, file size: 282 bytes) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
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