« previous next »

Author Question: Measuring the Doppler shift of material at various distances from the center of a galaxy can be used ... (Read 54 times)

joblessjake

  • Hero Member
  • *****
  • Posts: 555
on: Jul 27, 2018
Measuring the Doppler shift of material at various distances from the center of a galaxy can be used to construct a(n) ________________ for that galaxy.
 
  Fill in the blank(s) with correct word

Question 2

Which of the following nuclear fuels does a twenty-solar-mass star NOT fuse over the course of its entire evolution?
 
  a. hydrogen
  b. carbon
  c. nitrogen
  d. oxygen
  e. iron


Dominic

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 27, 2018
Answer to Question 1

rotation curve

Answer to Question 2

e


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Measuring a stoma Measuring a stoma
Two-Point Threshold Device for Measuring Touch Acuity Two-Point Threshold Device for Measuring Touch Acuity
Measuring Social Development Measuring Social Development
Doppler ultrasonic stethoscope Doppler ultrasonic stethoscope
Barred Spiral Galaxy Barred Spiral Galaxy
Measuring Wind Measuring Wind
Video: The Pressure Flow Model in a Plant

For a complete list of videos, visit our video library