This topic contains a solution. Click here to go to the answer

Author Question: The astronomer who originally classified galaxies into S, E, and Irr was A) Henrietta Leavitt. ... (Read 75 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
The astronomer who originally classified galaxies into S, E, and Irr was
 
  A) Henrietta Leavitt.
  B) Carl Sagan.
  C) William Herschel.
  D) Harlow Shapley.
  E) Edwin Hubble.

Question 2

Which property is common to spiral galaxies?
 
  A) very little internal structure
  B) open clusters in the halo
  C) globular clusters in the nucleus
  D) ongoing star formation and emission nebula in the arms
  E) ongoing star formation and emission nebula in the halo



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

steff9894

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

E

Answer to Question 2

D




krzymel

  • Member
  • Posts: 548
Reply 2 on: Jul 27, 2018
Wow, this really help


mohan

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Excellent

 

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

For a complete list of videos, visit our video library