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

Author Question: Harlow Shapley made the first accurate determination of the position of the center of the galaxy by ... (Read 76 times)

berenicecastro

  • Hero Member
  • *****
  • Posts: 581
on: Jul 27, 2018
Harlow Shapley made the first accurate determination of the position of the center of the galaxy by studying ____.
 
  a. globular clusters
 b. open clusters
 c. emission nebulae
 d. spiral tracers
 e. stellar associations

Question 2

The ____ of an object is a measure of the amount of matter it contains. The ____ is a measure of the gravitational force on an object.
 
  a. weight; mass
 b. mass; weight
 c. energy; force
 d. force; energy
 e. momentum; energy


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bfulkerson77

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

b


berenicecastro

  • Hero Member
  • *****
  • Posts: 581
Reply #2 on: Jul 27, 2018
Thanks


bfulkerson77

  • Sr. Member
  • ****
  • Posts: 331
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Elastic fibres are made of elastin, one type of structural protein found in the ECM of animal cells Elastic fibres are made of elastin, one type of structural protein found in the ECM of animal cells
Cambrian trilobite, with a shell made of calcium carbonate. Cambrian trilobite, with a shell made of calcium carbonate.
The surgical nurse assists the client into the correct position The surgical nurse assists the client into the correct position
Anatomical position of axillary and clavicular lymph Anatomical position of axillary and clavicular lymph
Seated position for massage for the elderly. Seated position for massage for the elderly.
Histone and pol II CTD modifications as a function of gene position Histone and pol II CTD modifications as a function of gene position
Video: Frequency of stimulation and force (Recruitment of motor units and force)

For a complete list of videos, visit our video library