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Home > All Images > 2003 > November > 7 Nov 2003

Images Dated 7th November 2003

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

Choose from 72 pictures in our Images Dated 7th November 2003 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.


Galileo navigation satellite network Featured 7 Nov 2003 Print

Galileo navigation satellite network

Galileo navigation satellite network. Artwork of six of the navigation satellites of the European Galileo network. Their orbits around the Earth are shown in yellow. Galileo will be a civilian global positioning system (GPS) that will consist of 30 satellites (27 operational plus 3 spares) orbiting over 23, 000 kilometres above the Earth. The orbits will ensure sufficient coverage for the accurate calculation of positions on Earth. Galileo will be more accurate than, and compatible with, the other GPS systems. Applications include car, train and aircraft guidance, road use taxation, and rescue services. Full operation is scheduled for 2008

© DETLEV VAN RAVENSWAAY/SCIENCE PHOTO LIBRARY

Giotto spacecraft at Halleys Comet Featured 7 Nov 2003 Print

Giotto spacecraft at Halleys Comet

Giotto spacecraft at Halley's Comet. Artwork of the European Space Agency's (ESA) Giotto probe as it approached Comet Halley in 1986. It passed the comet at a distance of 600 kilometres and beamed back pictures and scientific data. The probe was just under 2 metres long and weighed just under a tonne. It was launched in July 1985. Its closest approach was on 13 March 1986. Halley's Comet is a short-term comet, orbiting the Sun every 76 years. Edmund Halley (1656-1742) discovered this regular behaviour. Comets are bodies of ice and dust from the outer solar system. The ice boils near the Sun to form a long bright tail in the solar wind

© DETLEV VAN RAVENSWAAY/SCIENCE PHOTO LIBRARY

Artwork of the sun with a solar flare Featured 7 Nov 2003 Print

Artwork of the sun with a solar flare

Solar flare. Artwork of the whole Sun with a solar flare (at top right). Solar flares are eruptions caused by an escape of cool, dense, ionised gas from the low-level magnetic fields which normally confine it. A flare typically attains its maximum brilliance in a few minutes before fading over an hour. They typically cover an area of up to several hundred million square kilometres. The gas in the flare may stream away from the Sun to form part of the solar wind. Other features seen here include sunspots (dark blobs), filaments (areas of rising gas), fibrils (dark threads) and faculae (bright patches). These are caused by variations in the local magnetic field

© DETLEV VAN RAVENSWAAY/SCIENCE PHOTO LIBRARY