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Home > All Images > 2004 > February > 19 Feb 2004

Images Dated 19th February 2004

Choose from 48 pictures in our Images Dated 19th February 2004 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Artwork of the celestial northern hemisphere Featured 19 Feb 2004 Print

Artwork of the celestial northern hemisphere

Northern hemisphere stars. Computer artwork of the brightest stars visible in the northern hemi- sphere, with lines of latitude (circles) and longitude (radii). The star clouds of the Milky Way appear as grey areas. The celestial north pole (which lies over Earth's north pole) is at centre, with the celestial equator forming the outermost circle. As the Earth spins during the night, an observer would see the stars apparently moving in circles around the north pole. The bright star near the north pole is Polaris, the Pole Star; it is a valuable aid to navigation because it hardly moves at all. (See image R800/154 for the southern hemisphere)

© JULIAN BAUM/SCIENCE PHOTO LIBRARY

Optical view of Supernova 1987A & Tarantula nebula Featured 19 Feb 2004 Print

Optical view of Supernova 1987A & Tarantula nebula

Tarantula nebula and supernova 1987A. True-colour optical image of the Tarantula nebula (NGC 2070, 30 Doradonis, upper left) and supernova 1987A (lower right). Both of these features are in the Large Magellanic Cloud, a small galaxy which lies around 170, 000 light years away. The Tarantula nebula is one of the largest and most powerful nebulae known. It is an enormous region of glowing ionised hydrogen gas. The supernova became visible in 1987 as a giant star exploded at the end of its life. It provided astronomers with valuable data about star death. This image was produced by digitally combining photographs taken by the UK Schmidt Telescope in blue and red light

© Celestial Image Co./Science Photo Library

Basalt columns Featured 19 Feb 2004 Print

Basalt columns

Basalt columns. Columns of basalt by a black sand beach. Basalt is an extrusive igneous rock, which means it forms from the cooling of lava on the surface. Contraction of the lava as it cools leads to the geometry of the columns, which have either hexagonal or pentagonal cross-sections. The black sand is formed by the erosion of the columns by the sea. Photographed at Myrdalur, near Vik, Iceland. Iceland lies on the boundary between two tectonic plates (on which the continents are carried), and as such is very geologically active

© Martin Bond/Science Photo Library