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

Author Question: The modern theory of dark energy arises from observations showing that A) galaxies spin at slower ... (Read 9 times)

RODY.ELKHALIL

  • Hero Member
  • *****
  • Posts: 591
on: Jul 29, 2018
The modern theory of dark energy arises from observations showing that
 
  A) galaxies spin at slower than expected rates.
  B) superclusters are collapsing.
  C) the speed of light is not exactly constant.
  D) galaxies are accelerating away from each other.

Question 2

The theory of dark energy tells us that
 
  A) empty space is seething with a form of energy.
  B) there is a force that behaves like an anti-gravity.
  C) there is still much to learn about this universe.
  D) All of the above.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Li Jun

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: D


RODY.ELKHALIL

  • Member
  • Posts: 591
Reply 2 on: Jul 29, 2018
:D TYSM

smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Map showing conservation areas as part of the Canadian Boreal Initiative. Map showing conservation areas as part of the Canadian Boreal Initiative.
An enlarged heart showing the results of cardiomyopathy. An enlarged heart showing the results of cardiomyopathy.
Energy Level Diagram of Hydrogen Energy Level Diagram of Hydrogen
Motor neuron showing the axon, dendrite, and myelin sheath. Motor neuron showing the axon, dendrite, and myelin sheath.
A chest X-ray showing pneumonia characterized by the patch of gray-white areas. A chest X-ray showing pneumonia characterized by the patch of gray-white areas.
Attraction between water molecules showing polar covalent bonding. Attraction between water molecules showing polar covalent bonding.
Video: Multiple Sclerosis Animation

For a complete list of videos, visit our video library