How and why does the CMBR, redshifts of distant galaxies, and relative abundances of the elements...

How and why does the CMBR, redshifts of distant galaxies, and relative abundances of the elements support a beginning to our universe?

About 380,000 years after the big bang, the universe became transparent to light. What had to occur for this to happen and what remnant is left behind that we can see today?

Go to Planck and The Cosmic Microwave Background and answer the following: How accurate is the the Planck data? What do the different colors help us know about the universe we see today?

How do we detect a red-shifted or blue-shifted galaxy? What is a "z" number and how is it calculated?

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genius_generous answered 1 year ago

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