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Home > All Images > 2001 > December > 5 Dec 2001

Images Dated 5th December 2001

Choose from 25 pictures in our Images Dated 5th December 2001 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Riometer information board Featured 5 Dec 2001 Image

Riometer information board

Riometer information board at Poker Flat Research Range (PFRR), Alaska, USA. A riometer is used in polar regions to study aurorae, the solar-induced electromagnetic storms of the polar ionosphere. The ionosphere is a region of the upper atmosphere that lies 50-600 kilometres above Earth's surface. A riometer is an array of radio antennae. Riometer stands for Relative Ionospheric Opacity Meter using Extra-Terrestrial Electromagnetic Radiation. As the glowing displays of the aurorae (visible at night) block the passage of radio waves from space to the Earth, they will be seen as shadows on the riometer output screen. PFRR is operated by the University of Alaska's Geophysical Institute

© ALAN SIRULNIKOFF/SCIENCE PHOTO LIBRARY

Formula One World Championship: Jacques Villeneuve Williams FW20 locks up the front wheels under breaking en route to a sixth place finish in Featured 5 Dec 2001 Image

Formula One World Championship: Jacques Villeneuve Williams FW20 locks up the front wheels under breaking en route to a sixth place finish in

Jacques Villeneuve (CDN) Williams FW20 locks up the front wheels under breaking en route to a sixth place finish in his final race for Williams.
Formula One World Championship, Japanese GP, Rd 16, Suzuka, Japan, 1 November 1998

© Sutton Motorsport Images