« previous next »

Author Question: According to the Hubble law, the relationship between the distances to galaxies and the apparent ... (Read 58 times)

Mimi

  • Hero Member
  • *****
  • Posts: 542
on: Jul 27, 2018
According to the Hubble law, the relationship between the distances to galaxies and the apparent velocity of recession is _____.
 
  A) linear
  B) exponential
  C) quadratic
  D) inverse

Question 2

In the context of the unified model of active galactic nuclei (AGN), you see jets of gas and radiation emerging perpendicular to the accretion disk of an AGN and coming straight at you if:
 
  A) the accretion disk is tilted at an angle of 30 degrees to your line of sight.
  B) you look directly into the central cavity around the black hole.
  C) you view the accretion disk from its edge.
  D) the accretion disk is tilted at an angle of 60 degrees to your line of sight.


kbennett34

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Relationship between Hox gene number and body complexity in different types of animals. Relationship between Hox gene number and body complexity in different types of animals.
Barred Spiral Galaxies Barred Spiral Galaxies
Giant Elliptical Galaxies Giant Elliptical Galaxies
Relationship between a diagnostic label and related factor Relationship between a diagnostic label and related factor
A close relationship between greenhouse gas emissions and a country’s gross domestic product A close relationship between greenhouse gas emissions and a country’s gross domestic product
The lifetime risk for schizophrenia varies with the degree of relationship to an affected individual The lifetime risk for schizophrenia varies with the degree of relationship to an affected individual
Video: What is Reverse Osmosis?

For a complete list of videos, visit our video library