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

Author Question: A galaxy's supermassive black hole represents about ____ for elliptical galaxies. a. half a ... (Read 68 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
on: Jul 27, 2018
A galaxy's supermassive black hole represents about ____ for elliptical galaxies.
 
  a. half a percent of the mass of the disk
 b. five percent of the mass of the central bulge
  c. half a percent of the mass of the central bulge
  d. five percent of the mass of the disk
 e. half a percent of the dark matter in the corona

Question 2

Physicists and astronomers usually refer to the permitted orbits of an atom as the atom's _______________ levels.
 
  Fill in the blank(s) with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

asware1

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 27, 2018
Answer to Question 1

c

Answer to Question 2

energy


penza

  • Member
  • Posts: 1,022
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

bbburns21

  • Member
  • Posts: 336
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

The actions of Frzb and the Frizzled receptor protein show how embryonic development represents a ba The actions of Frzb and the Frizzled receptor protein show how embryonic development represents a ba
Intermediate Black Hole Intermediate Black Hole
Structure of a Kerr (Rotating) Black Hole Structure of a Kerr (Rotating) Black Hole
Supermassive Black Hole Supermassive Black Hole
Peculiar Galaxy NGC 5128 (Centaurus A) Peculiar Galaxy NGC 5128 (Centaurus A)
Water Hole Water Hole
Video: Simple Diffusion - Ion transport

For a complete list of videos, visit our video library