« previous next »

Author Question: You observe a distant galaxy. You find that a spectral line of hydrogen that is shifted from its ... (Read 78 times)

joesmith1212

  • Hero Member
  • *****
  • Posts: 549
on: Jul 27, 2018
You observe a distant galaxy. You find that a spectral line of hydrogen that is shifted from its normal location in the visible part of the spectrum into the infrared part of the spectrum. What can you conclude?
 
  A) The galaxy is moving away from you.
  B) The galaxy is moving towards you.
  C) The galaxy has very weak gravity.
  D) The galaxy is made purely of hydrogen.

Question 2

Zeros at the end of a number after the decimal point are not significant.
 
  Indicate whether the statement is true or false


beccamahon

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

FALSE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

John Lewis Krimmel’s painting of the Fourth of July in Centre Square Philadelphia (1812) shows the d John Lewis Krimmel’s painting of the Fourth of July in Centre Square Philadelphia (1812) shows the d
How to find the derivatives of inverse hyperbolic functions How to find the derivatives of inverse hyperbolic functions
How to quickly find the vertex of a quadratic equation that is in standard form How to quickly find the vertex of a quadratic equation that is in standard form
Find the torsion about the male neck? Find the torsion about the male neck?
Find the equation of the normal line to f(x)=sinx+cosx at x = π. Find the equation of the normal line to f(x)=sinx+cosx at x = π.
Raman has a line of credit loan with the ICICI bank. The initial loan balance was $72000.00. ... Raman has a line of credit loan with the ICICI bank. The initial loan balance was $72000.00. ...
Video: Bacteriophage (Virus) - Mice Experiment

For a complete list of videos, visit our video library