Science Data Reinforces Invisible “Dark” Matter and Energy Make Up 96% of Our Universe
The Wilkinson Microwave Anisotropy Probe's first detailed map of the oldest light in the universe. Cosmologists call it a "baby picture" of the universe. Colors indicate "warmer" (red) and "cooler" (blue) spots. The oval shape is a projection to display the whole sky; similar to the way the globe of the earth can be projected as an oval. The microwave light captured in this picture is from 379,000 years after the Big Bang, over 13 billion years ago. Source: WMAP NASA.
October 24, 2003 Philadelphia, Pennsylvania - 2003 is turning out to be a pivotal year for cosmologists. In February, NASA's Wilkinson Microwave Anisotropy (an-EYE-stro-pea) Probe - known as WMAP - made precise measurements of the oldest light in the universe, the microwave background radiation from the Big Bang. The map produced from the microwave data breaks our universe down this way:
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