This topic contains a solution. Click here to go to the answer

Author Question: What did the COBE satellite find regarding the smoothness of the cosmic background radiation? ... (Read 85 times)

amal

  • Hero Member
  • *****
  • Posts: 572
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

emilymalinowski12

  • Sr. Member
  • ****
  • Posts: 338
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

  • Member
  • Posts: 572
Reply 2 on: Jul 27, 2018
:D TYSM


Liamb2179

  • Member
  • Posts: 365
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

For a complete list of videos, visit our video library