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

Author Question: In which of the following models will the universe stop expanding? A) open universe B) critical ... (Read 92 times)

gonzo233

  • Hero Member
  • *****
  • Posts: 557
In which of the following models will the universe stop expanding?
 
  A) open universe
  B) critical density universe
  C) steady state universe
  D) closed universe
  E) All have an ultimate collapse.

Question 2

Which of the following phenomena are not thought to be results of collisions or other interactions between galaxies?
 
  A) the fact that spiral galaxies have both disk and halo components
  B) the fact that elliptical galaxies are more common in clusters of galaxies than outside clusters
  C) starbursts
  D) the presence of very large, central dominant galaxies in clusters of galaxies



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zacnyjessica

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

D

Answer to Question 2

A





 

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

For a complete list of videos, visit our video library