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"cosmic microwave background"
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An in-depth look at the cosmic microwave background (CMB).
NASA's Cosmic Background Explorer satellite was launched to explore the cosmic microwave background radiation. It has discovered fluctuations in that radiation which are important to big bang ...
Info on microwaves. While there are some radar bands from 1,300 to 1,600 MHz, most microwave applications fall in the range 3,000 to 30,000 MHz (3-30 GHz).
Detailed information on this topic and why it is important.
A page describing this topic and why it is so interesting.
A brief article on how polarisation affects the CMB which led to the discovery of gravitational waves.
A uniform background radiation in the microwave region of the spectrum is observed in all directions in the sky. It shows the wavelength dependence of a "black body" radiator at about 3 Kelvins ...
A great description of the Planck mission to study the first seconds of the universe which we can now see as the cosmic microwave background.
Read how satellite observations of cosmic microwave background can tell us a lot about how the universe formed.
Minutephysics looks at how polarised light in the cosmic microwave background (CMB) gave rise to the discovery of gravitational waves.
Showing 1 - 10 of 159