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

Author Question: Is the Hubble constant really constant? What will be an ideal ... (Read 136 times)

Themember4

  • Hero Member
  • *****
  • Posts: 538
Is the Hubble constant really constant?
 
  What will be an ideal response?

Question 2

Emission nebulae like M42 occur only near stars that emit large amounts of
 
  A) infrared heat.
  B) X-rays and gamma rays.
  C) microwaves.
  D) ultraviolet radiation.
  E) visible light.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ky860224

  • Sr. Member
  • ****
  • Posts: 350
Answer to Question 1

No, with the influence of dark energy, it will gradually increase, speeding up the cosmic expansion to a final flat cosmos.

Answer to Question 2

D




Themember4

  • Member
  • Posts: 538
Reply 2 on: Jul 27, 2018
Wow, this really help


softEldritch

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

For a complete list of videos, visit our video library