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Author Question: What did the COBE satellite find regarding the smoothness of the cosmic background radiation? ... (Read 61 times)

amal

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on: Jul 27, 2018
What did the COBE satellite find regarding the smoothness of the cosmic background radiation?
 
  What will be an ideal response?

Question 2

A television advertisement claiming that a product is light-years ahead of its time does not make sense because ________.
 
  A) light-years can only be used to talk about light
  B) it doesn't specify the number of light-years
  C) it uses light-years to talk about time, but a light-year is a unit of distance
  D) a light-year is an astronomically large unit, so a product could not possibly be so advanced


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emilymalinowski12

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Reply #1 on: Jul 27, 2018
Answer to Question 1

COBE found that the cosmic background radiation has a perfect thermal radiation spectrum, with a peak corresponding to a temperature of 2.73 K. However, it also found slight fluctuations in the radiation. The temperature varies very slightly from one place to another by a few parts in 100,000.

Answer to Question 2

C


amal

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

xiaomengxian

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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