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

Author Question: A radio galaxy whose lobes are swept back as if forming a tail probably indicates A) evidence for ... (Read 94 times)

roselinechinyere27m

  • Hero Member
  • *****
  • Posts: 557
on: Jul 27, 2018
A radio galaxy whose lobes are swept back as if forming a tail probably indicates
 
  A) evidence for intergalactic matter.
  B) there must be another galaxy nearby.
  C) the galaxy is about to evolve into a spiral.
  D) the galaxy is moving towards Earth.
  E) the galaxy is isolated, not part of a cluster.

Question 2

In the proton-proton cycle, two positrons are produced. What more familiar particles are they similar to, and how do they differ?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jointhecircus

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

Positrons are anti-electrons, made of antimatter, and with a positive charge instead of the negative charge of normal electrons.


roselinechinyere27m

  • Hero Member
  • *****
  • Posts: 557
Reply #2 on: Jul 27, 2018
Thanks


jointhecircus

  • Sr. Member
  • ****
  • Posts: 343
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

The Real Reason Why They Repeat the Same 20 Songs on the Radio & TV Nationwide The Real Reason Why They Repeat the Same 20 Songs on the Radio & TV Nationwide
Player - Baby Come Back Player - Baby Come Back
Rattlesnake Tail Rattlesnake Tail
Stretching the muscles of the hip and lower back with diagonal adduction of the bent leg. Stretching the muscles of the hip and lower back with diagonal adduction of the bent leg.
Testing Back Pressure with a Pressure Gauge Testing Back Pressure with a Pressure Gauge
Experimental evidence of cytoplasmic localization in an amphibian oocyte. Experimental evidence of cytoplasmic localization in an amphibian oocyte.
Video: Role of complement proteins

For a complete list of videos, visit our video library