WMAP vs IRAS
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WMAP
The Wilkinson Microwave Anisotropy Probe (WMAP) was a NASA space mission that studied the cosmic microwave background radiation. This ancient light, leftover from the Big Bang, contains crucial information about the early universe. WMAP’s precise measurements of these subtle temperature variations allowed scientists to determine the age of the universe – approximately 13.8 billion years – and accu...
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IRAS
The Infrared Astronomy Satellite (IRAS) operated from 1983 to 1989. This joint US, UK, and Dutch space mission conducted the first comprehensive all-sky survey using infrared light. Its data significantly advanced understanding of star formation, galaxy evolution, and the distribution of dust in our universe. Primarily used by astronomers and researchers studying celestial objects at infrared wave...
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