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 52 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
YES! Correct, THANKS for helping me on my review

kjohnson

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Use of fluorescent molecules by Lowenstein and colleagues to determine the size of gap-junction chan Use of fluorescent molecules by Lowenstein and colleagues to determine the size of gap-junction chan
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
Santiago Calatrava, Port Authority Trans Hudson (PATH) station, World Trade Center site. Santiago Calatrava, Port Authority Trans Hudson (PATH) station, World Trade Center site.
How to determine an exponential relation from a table of values How to determine an exponential relation from a table of values
How to use the discriminant to determine the value of k in a quadratic with no real roots How to use the discriminant to determine the value of k in a quadratic with no real roots
Algebraically determine the exact value of sin(-π/6)+cos (7 π/4) Algebraically determine the exact value of sin(-π/6)+cos (7 π/4)
Video: Membrane transport proteins - pores, gated channels and pumps

For a complete list of videos, visit our video library