Author Question: What did the COBE satellite find regarding the smoothness of the cosmic background radiation? ... (Read 84 times)

amal · **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

emilymalinowski12 · **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