« previous next »

Author Question: Spiral structures and steady star formation depend on ____. a. gentle gravitational interactions ... (Read 63 times)

B

  • Hero Member
  • *****
  • Posts: 570
on: Jul 27, 2018
Spiral structures and steady star formation depend on ____.
 
  a. gentle gravitational interactions with other galaxies
  b. galactic cannibalism
 c. major collisions with other galaxies
 d. hot intergalactic gas flow
 e. supermassive central black holes

Question 2

All large astronomical telescopes built since the start of the 20th century have been _______________ telescopes.
 
  Fill in the blank(s) with correct word


babybsemail

  • Sr. Member
  • ****
  • Posts: 304
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

reflecting


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

B

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jul 27, 2018
TY


babybsemail

  • Sr. Member
  • ****
  • Posts: 304
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

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?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

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.

The eyeball and its anatomical structures. The eyeball and its anatomical structures.
The structures thought to mediate the sympathetic and behavioral responses conditioned to an ... The structures thought to mediate the sympathetic and behavioral responses conditioned to an ...
Irreversible inhibition by adduct formation Irreversible inhibition by adduct formation
Structures of human DNA polymerase g (left) and T7 phage DNA polymerase (right) holoenzymes Structures of human DNA polymerase g (left) and T7 phage DNA polymerase (right) holoenzymes
Plaque and thrombus formation in the coronary artery Plaque and thrombus formation in the coronary artery
Formation of adenosine triphosphate (ATP) in the cell Formation of adenosine triphosphate (ATP) in the cell
Video: Types of Burns

For a complete list of videos, visit our video library