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

Author Question: How did Harlow Shapley determine where the center of the galaxy lies? a. He plotted the ... (Read 86 times)

olgavictoria

  • Hero Member
  • *****
  • Posts: 528
on: Jul 27, 2018
How did Harlow Shapley determine where the center of the galaxy lies?
 
  a. He plotted the distribution of open clusters.
  b. He plotted the distribution of globular clusters.
  c. He made star counts in every direction of the galactic disk.
  d. He measured the amount of dust obscuration in every direction of the galactic disk.

Question 2

________ is the thermonuclear fusion of hydrogen to form helium operating in the cores of massive stars on the main sequence.
 
  a. The CNO cycle
  b. The proton-proton chain
  c. Hydrostatic equilibrium
  d. The neutrino process
  e. None of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

covalentbond

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 27, 2018
Answer to Question 1

b

Answer to Question 2

a


olgavictoria

  • Member
  • Posts: 528
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

ktidd

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Herniated disk. A herniated disk is a protrusion of the disk’s gelatinous center, called the nucleus Herniated disk. A herniated disk is a protrusion of the disk’s gelatinous center, called the nucleus
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
The proportion of men and women with elevated blood pressure or taking hypertension medication incre The proportion of men and women with elevated blood pressure or taking hypertension medication incre
Calculation of body mass index. To determine your BMI, find the value for your height on the left ... Calculation of body mass index. To determine your BMI, find the value for your height on the left ...
How to verify that the center of a circle lies on the right bisector a cord How to verify that the center of a circle lies on the right bisector a cord
Knoop’s experiments to determine the b-oxidation of fatty acids Knoop’s experiments to determine the b-oxidation of fatty acids
Video: Female Reproductive System - Hormonal regulation (GnRH) الجهاز التناسلي للأنثى - التنظيم الهرموني

For a complete list of videos, visit our video library