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Home > All Images > 2003 > February > 25 Feb 2003

Images Dated 25th February 2003

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

Choose from 38 pictures in our Images Dated 25th February 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.


MAP microwave background Featured 25 Feb 2003 Print

MAP microwave background

Cosmic microwave background. Whole sky image of the cosmic microwave background made by the MAP (Microwave Anisotropy Probe) spacecraft. This map indicates that the age of the universe is around 13.7 billion years. The data also reveal that the universe is expanding at 71 kilometres per second per megaparsec (1 Mpc = 3262 light years). The colours reveal variations in the temperature of the universe in all directions. This correlates to the density of material at the time when the universe became transparent to radiation, about 380, 000 years after its creation. The denser regions (red, yellow) formed the seeds of galaxies and other structures. Data obtained in 2003

© NASA/SCIENCE PHOTO LIBRARY

Glaciation Featured 25 Feb 2003 Print

Glaciation

Glaciation. Artwork showing ice sheets advancing and retreating during an Ice Age. The left side shows a glacial period when ice is advancing. The sheet flows down a steep slope and cracks, forming crevasses. The right side shows glaciers retreating during an interglacial period, and illustrates the distinctive landscape features they create, including: glacial lakes and rivers; erratics (isolated boulders, centre); eroded bedrock mounds (far right); an esker (winding ridge, runs down from glacier); terminal moraines (semicircular ridges of rubble left by retreating glacier); and a cirque (semicircular hollow, upper right). Melting ice has raised the sea level

© GARY HINCKS/SCIENCE PHOTO LIBRARY

Brain Featured 25 Feb 2003 Print

Brain

Brain. Wire-frame computer artwork of a healthy human brain, seen in profile. The front of the brain is at right. The convoluted outer layer of the brain, the cerebral cortex, is folded into gyri. The cerebral cortex is rich in nerve cells and is involved in conscious thought, sensation and movement. The cerebellum (rounded structure at lower left) and brainstem (bottom left) control subconscious automatic functions such as breathing (brainstem) and body posture (cerebellum). The human brain weighs around 1.4 kilograms in adults

© Alfred Pasieka/Science Photo Library