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Home > Science Photo Library > Images Dated > 2008 > July > 20 Jul 2008

Images Dated 20th July 2008

Available as Framed Prints, Photos, Wall Art and Gift Items

Choose from 2748 pictures in our Images Dated 20th July 2008 collection for your Wall Art or Photo Gift. Popular choices include Framed Prints, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery. We are proud to offer this selection in partnership with Science Photo Library.

Optical photograph of the constellation of Orion Featured 20 Jul 2008 Print

Optical photograph of the constellation of Orion

True-colour optical photograph of theconstellation of Orion, the Hunter, one of themost conspicuous constellations in the sky. Aspecial filter has been used to enhance thebrightest stars, giving them a misty, extendedappearance. The constellation of Orion lies on thecelestial equator and is visible from most partsof the world. The three stars forming Orion's Beltare seen at centre. The bright, pinkish-white starat upper left is Betelgeuse (Alpha Orionis), a redsupergiant star. Below the Belt is Orion's Sword, with the distinctive, red Orion Nebula (M42) atits centre. The bright star below and to the rightof the Sword is Rigel (Beta Orionis)

© John Sanford/Science Photo Library

Jupiters moon Io seen by Galileo Featured 20 Jul 2008 Print

Jupiters moon Io seen by Galileo

Io. Coloured Galileo spacecraft image of Io, the innermost of Jupiter's Galilean moons. Dark areas correspond to volcanic hot spots, & may be active lava flows. The red, orange & yellow colours come from various forms and compounds of sulphur which cover most of the surface. The white areas are probably sulphur dioxide frost'. The intense volcanic activity has resulted in mountains, layered plateaus and depressions. The side of Io seen here permanently faces away from Jupiter. This image was made by combining high-resolution data taken by Galileo's Solid State Imaging (CCD) instrument on November 6 1996 with low-resolution colour images acquired on 7 September 1996

© Nasa/Science Photo Library

Da Vincis helicopter Featured 20 Jul 2008 Print

Da Vincis helicopter

First helicopter design. Helicopter designed and drawn by the Italian inventor Leonardo da Vinci (1452-1519) in about 1500. This was the first helicopter designed to lift a person. The helical rotor was to be driven by the muscular power of the pilot. This meant that the helicopter would not have had enough power to take off. Leonardo devoted many years of research into studying flight and designing potential aircraft. Like many of his projects, the design was never published and the helicopter was never actually constructed. After Leonardo's death his notes lay unnoticed in a library until 1796. Successful helicopters were not developed until the 20th century

© Sheila Terry/Science Photo Library