Author Question: If the accepted value of H were to double, A) the critical density would be halved. B) the age ... (Read 29 times)

RODY.ELKHALIL

  • Hero Member
  • *****
  • Posts: 591
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
Answer to Question 1

C

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

For a complete list of videos, visit our video library