This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Is the Hubble constant really constant? What will be an ideal ... (Read 126 times)

Themember4

  • Hero Member
  • *****
  • Posts: 538
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
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
YES! Correct, THANKS for helping me on my review

mochi09

  • Member
  • Posts: 335
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

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?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Betelgeuse star (Hubble) Betelgeuse star (Hubble)
For this bimolecular reaction, the rate constant k is second order For this bimolecular reaction, the rate constant k is second order
A 1998 false-colour near-infrared image of Uranus showing cloud bands, rings, and moons obtained by A 1998 false-colour near-infrared image of Uranus showing cloud bands, rings, and moons obtained by
Deliberative nursing is a constant process of validating perceptions, thoughts, and feelings. Deliberative nursing is a constant process of validating perceptions, thoughts, and feelings.
Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ... Under ideal conditions, a single cell of the bacterium E. coli would divide every 20 minutes to ...
Write equilibrium constant expressions for the following reactions in terms of concentration: Write equilibrium constant expressions for the following reactions in terms of concentration:
Video: Rods and Cones Animation

For a complete list of videos, visit our video library