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

Author Question: According to their rotation curves, most spiral galaxies: A) rotate as a solid body. B) rotate ... (Read 99 times)

Melani1276

  • Hero Member
  • *****
  • Posts: 516
on: Jul 27, 2018
According to their rotation curves, most spiral galaxies:
 
  A) rotate as a solid body.
  B) rotate counterclockwise.
  C) have decreasing rotational speeds with increasing distance.
  D) contain dark matter.
  E) contain dark energy.

Question 2

Most of the energy of the supernova is carried outward via a flood of:
 
  A) gamma rays.
  B) helium nuclei.
  C) protons.
  D) neutrinos.
  E) positrons.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brittanywood

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

D


Melani1276

  • Member
  • Posts: 516
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

okolip

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Spiral Produced by twisting stresses that are spread along the length of a bone (note the break in t Spiral Produced by twisting stresses that are spread along the length of a bone (note the break in t
Spiral Galaxies Seen Nearly Edge On from the Milky Way Spiral Galaxies Seen Nearly Edge On from the Milky Way
Interacting and Colliding Galaxies Interacting and Colliding Galaxies
Galaxies Forming by Combining Smaller Units Galaxies Forming by Combining Smaller Units
To increase pressure using body weight, lean on your client. To increase pressure using body weight, lean on your client.
Describe how fat is digested, absorbed, and transported in the body Describe how fat is digested, absorbed, and transported in the body
Video: Antidiuretic hormone (vasoconstriction, water reabsorption & sweat inhibition)

For a complete list of videos, visit our video library