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Solar System Gallery

Choose from 774 pictures in our Solar System collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

Epicycles of Mercury and Venus, 1823 C017/8061 Featured Solar System Image

Epicycles of Mercury and Venus, 1823 C017/8061

Epicycles of Mercury and Venus, 19th-century diagram. This geocentric (Earth-centred) model shows the orbits of Mercury and Venus as a series of epicycles (loops). Mercury and the Sun are at lower left. Venus is at upper right. The heliocentric system of Copernicus and Kepler replaced these epicycles with elliptical orbits around the Sun. At lower left is an astronomical quadrant. At lower right are the proportional magnitudes of 12 solar system bodies (see C017/8059) and of the Sun as seen from those bodies. The Georgium Sidus is Uranus. This page is from Universal Technological Dictionary (1823) by British author George Crabb (1778-1851)


Pioneer F Plaque Symbology Featured Solar System Image

Pioneer F Plaque Symbology

The Pioneer F spacecraft, destined to be the first man made object to escape from the solar system into interstellar space, carries this pictorial plaque. It is designed to show scientifically educated inhabitants of some other star system, who might intercept it millions of years from now, when Pioneer was launched, from where, and by what kind of beings. (With the hope that they would not invade Earth.) The design is etched into a 6 inch by 9 inch gold-anodized aluminum plate, attached to the spacecraft's attenna support struts in a position to help shield it from erosion by interstellar dust. The radiating lines at left represents the positions of 14 pulsars, a cosmic source of radio energy, arranged to indicate our sun as the home star of our civilization. The "1-" symbols at the ends of the lines are binary numbers that represent the frequencies of these pulsars at the time of launch of Pioneer F relative of that to the hydrogen atom shown at the upper left with a "1" unity symbol. The hydrogen atom is thus used as a "universal clock, " and the regular decrease in the frequencies of the pulsars will enable another civilization to determine the time that has elapsed since Pioneer F was launched. The hydrogen is also used as a "universal yardstick" for sizing the human figures and outline of the spacecraft shown on the right. The hydrogen wavelength, about 8 inches, multiplied by the binary number representing "8" shown next to the woman gives her height, 64 inches. The figures represent the type of creature that created Pioneer. The man's hand is raised in a gesture of good will. Across the bottom are the planets, ranging outward from the Sun, with the spacecraft trajectory arching away from Earth, passing Mars, and swinging by Jupiter


Aurora over Antarctica, satellite image Featured Solar System Image

Aurora over Antarctica, satellite image

Aurora over Antarctica, ultraviolet satellite image. Australia is at upper left. This is the aurora australis (green ring), the southern lights display. It is caused by interactions between charged particles from the Sun (the solar wind) and gas atoms and molecules about 100 kilometres above the Earth. On reaching Earth, the charged particles are drawn by Earth's magnetic field to the poles, where they collide with gas atoms and molecules, causing them to emit light. This display, on 11 September 2005, was caused by a large solar flare. The aurora image was obtained by NASA's IMAGE satellite, which carried out a five year study of Earth's magnetic field