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 73 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?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Human embryonic stem cells forming rosettes, a sign of neural differentiation Human embryonic stem cells forming rosettes, a sign of neural differentiation
Lobes of the cerebrum. Lobes of the cerebrum.
Binary Head-Tail Source Binary Head-Tail Source
Standing at the head of the table, apply oil or lotion to the entire back and shoulders with ... Standing at the head of the table, apply oil or lotion to the entire back and shoulders with ...
Structure of a Triglyceride A triglyceride consists of three fatty acids attached to a glycerol back Structure of a Triglyceride A triglyceride consists of three fatty acids attached to a glycerol back
Evidence of early bipedalism Evidence of early bipedalism
Video: Gastrin (gastric emptying) & Secretin (buffering gastric acid)

For a complete list of videos, visit our video library