« previous next »

Author Question: If the accepted value of H were to double, A) the critical density would be halved. B) the age ... (Read 10 times)

RODY.ELKHALIL

  • Hero Member
  • *****
  • Posts: 591
on: Jul 27, 2018
If the accepted value of H were to double,
 
  A) the critical density would be halved.
  B) the age of the universe would be twice as old as we originally believed.
  C) the age of the universe would be half what we believed.
  D) the ages of the oldest globular clusters would be invalid.
  E) the Copernican principle would not be valid beyond our solar system.

Question 2

One possible explanation for a galaxy's type invokes the angular momentum of the protogalactic cloud from which it formed. Suppose a galaxy forms from a protogalactic cloud with a lot of angular momentum.
 
  Assuming its type has not changed due to other interactions, we'd expect this galaxy to be ________.
  A) a spiral galaxy B) an elliptical galaxy
  C) a torn and incoherent galaxy D) an irregular galaxy


billybob123

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

A Double-Line Spectroscopic Binary A Double-Line Spectroscopic Binary
Concentric double-pipe heat exchanger for co-current flow Concentric double-pipe heat exchanger for co-current flow
Sandwich or capture enzyme immunoassay for patient IgM (double capture: IgM capture, Ag capture). Sandwich or capture enzyme immunoassay for patient IgM (double capture: IgM capture, Ag capture).
If the density of an unknown gas is 2.59 g/L at STP, what is its molar mass? If the density of an unknown gas is 2.59 g/L at STP, what is its molar mass?
Physics - Density and Pressure Physics - Density and Pressure
Physics - Density, Pressure, and Pascal's Principle Physics - Density, Pressure, and Pascal's Principle
Video: Electromagnetic Spectrum, Chlorophyll and Pigment & Light

For a complete list of videos, visit our video library