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 57 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

flexer1n1

  • Member
  • Posts: 373
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Global positioning systems determine latitude, longitude, and altitude by measuring the distance fro Global positioning systems determine latitude, longitude, and altitude by measuring the distance fro
The Sun is the star at the center of the Solar System. The Sun is the star at the center of the Solar System.
A horizontally opposed engine design helps to lower the vehicle’s center of gravity. A horizontally opposed engine design helps to lower the vehicle’s center of gravity.
Passive touch in center of abdomen as finishing technique. Place a hand gently in the center of the ... Passive touch in center of abdomen as finishing technique. Place a hand gently in the center of the ...
How to determine the x- and y- intercepts of a linear equation How to determine the x- and y- intercepts of a linear equation
The mitochondrion is the center of energy transformation in the cell The mitochondrion is the center of energy transformation in the cell
Video: Neural Reflex Arc Animation

For a complete list of videos, visit our video library