Author Question: The radiation detected by Penzias and Wilson is sometime referred to as CMBR, which stands for ... (Read 65 times)

gbarreiro

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The radiation detected by Penzias and Wilson is sometime referred to as CMBR, which stands for _______________ radiation.
 
  Fill in the blank(s) with correct word

Question 2

The number of _______________ visible on the Sun varies in a cycle with a period of 11 years.
 
  Fill in the blank(s) with correct word



samiel-sayed

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Answer to Question 1

cosmic microwave background

Answer to Question 2

sunspots



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