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

Author Question: Imagine that it turns out that dark matter (not dark energy) is made up of an unstable form of ... (Read 124 times)

Arii_bell

  • Hero Member
  • *****
  • Posts: 596
on: Jul 27, 2018
Imagine that it turns out that dark matter (not dark energy) is made up of an unstable form of matter that decays into photons or other forms of energy about 50 billion years from now.
 
  Based on current understanding, how would that affect the universe at that time? A) Stars would cease to exist when the dark matter is gone.
  B) Planetary systems would expand and disperse.
  C) The galaxies in clusters would begin to fly apart.
  D) The universe would cease its expansion.

Question 2

Which of the following types of galaxies are reddest in color?
 
  A) spirals
  B) ellipticals
  C) lenticulars
  D) irregulars


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jamesnevil303

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


Arii_bell

  • Hero Member
  • *****
  • Posts: 596
Reply #2 on: Jul 27, 2018
TY


jamesnevil303

  • Sr. Member
  • ****
  • Posts: 337
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

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.

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?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Elastic fibres are made of elastin, one type of structural protein found in the ECM of animal cells Elastic fibres are made of elastin, one type of structural protein found in the ECM of animal cells
Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i Prostate cancer. In this example, a large mass has grown into the urinary bladder. Prostate cancer i
A healthy diet is made up of well-balanced nutrients. A healthy diet is made up of well-balanced nutrients.
How prefixes and suffixes can be combined with a word root to form many medical terms. How prefixes and suffixes can be combined with a word root to form many medical terms.
Activation Energy Activation Energy
Selected hormones and their role in energy intake Selected hormones and their role in energy intake
Video: Labor and Childbirth - The Three Stages of Labor: Dilation, Expulsion & Placental مراحل الولادة

For a complete list of videos, visit our video library