« previous next »

Author Question: Measuring the Doppler shift of material at various distances from the center of a galaxy can be used ... (Read 69 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?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

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?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

The locations of genetic material in animal and plant cells. The locations of genetic material in animal and plant cells.
This jumping spider's main ocelli (center pair) are very acute. This jumping spider's main ocelli (center pair) are very acute.
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
The process of phagocytosis: a phagocyte engulfing bacteria or other foreign material. The process of phagocytosis: a phagocyte engulfing bacteria or other foreign material.
Sheets are the most commonly used draping material. Sheets are the most commonly used draping material.
How to vertically shift a quadratic function along the y-axis How to vertically shift a quadratic function along the y-axis
Video: Factors that influence muscle tension - Sarcomere length and force, understretched and overstretched

For a complete list of videos, visit our video library