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

Author Question: The concept that the direction of observation does NOT matter overall is A) universality. B) ... (Read 84 times)

809779

  • Hero Member
  • *****
  • Posts: 579
on: Jul 27, 2018
The concept that the direction of observation does NOT matter overall is
 
  A) universality.
  B) homogeneity.
  C) geometry.
  D) isotropy.
  E) relativity.

Question 2

What is the best way to determine a galaxy's redshift?
 
  A) Find the galaxy's apparent distance, and look up the redshift based on Hubble's Law.
  B) Find the color of the galaxy, and estimate its distance based on how red the galaxy is.
  C) Measure the magnitude of the galaxy, estimate its distance, and calculate its redshift using Hubble's Law.
  D) Take a spectrum of the galaxy, and measure the difference in wavelength of spectral lines from the wavelengths of those same lines as measured in the laboratory.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

josephsuarez

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

D


809779

  • Hero Member
  • *****
  • Posts: 579
Reply #2 on: Jul 27, 2018
TY


josephsuarez

  • Sr. Member
  • ****
  • Posts: 323
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Gram Stain Concept Map Gram Stain Concept Map
Time Slows Down Near Matter Time Slows Down Near Matter
Reversible phosphorylation and direction of mRNP nuclear export Reversible phosphorylation and direction of mRNP nuclear export
Direction: Right-Hand Rule Direction: Right-Hand Rule
An H-bridge circuit is used to control the direction of the DC electric motor of the electronic ... An H-bridge circuit is used to control the direction of the DC electric motor of the electronic ...
Overview of lymphatic system structures and the general direction of lymph flow from the extremities ... Overview of lymphatic system structures and the general direction of lymph flow from the extremities ...
Video: Simple Diffusion - gases and nonpolar compounds transport

For a complete list of videos, visit our video library