Cosmic Microwave Backgrounds of our universe
To observe WMAP image we have to pass visible, near infrared, far infrared, sub millimeter
region of spectrum and enter microwave region. We notice that nothing can be seen here unless
we increase the contrast. Then WMAP image comes to life.
This is an image of the time of big bang. So basically it is the window through which we can look into the past.
Cosmic Microwave Backgrounds: Visible region
Cosmic Microwave Backgrounds: Near Infrared region
Cosmic Microwave Backgrounds: Far Infrared region
Cosmic Microwave Backgrounds: Sub-millimeter region
Cosmic Microwave Backgrounds: Microwave region -> Low contrast
Cosmic Microwave Backgrounds: Microwave region -> High contrast
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