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

Author Question: If the redshifts of quasars arise from the expansion of the universe yet they have brighter ... (Read 36 times)

Mr. Wonderful

  • Hero Member
  • *****
  • Posts: 866
on: Jul 27, 2018
If the redshifts of quasars arise from the expansion of the universe yet they have brighter magnitudes than galaxies with the same redshifts, the quasar must
 
  a. be very small.
  b. be within the Local Group.
  c. be a single star with an extremely large mass.
  d. be moving toward Earth with a large radial velocity.
  e. emit a very large amount of energy per second.

Question 2

_________ is a form of electromagnetic radiation produced by rapidly moving electrons spiraling through magnetic fields.
 
  a. Lagrangian radiation
  b. Accretion
  c. Ultraviolet radiation
  d. Synchrotron radiation
  e. Infrared radiation


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

diesoon

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jul 27, 2018
Answer to Question 1

e

Answer to Question 2

d


Mr. Wonderful

  • Member
  • Posts: 866
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

jomama

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Thoracic Expansion, Anterior Thoracic Expansion, Anterior
Nephrolithiasis. Stones, or calculi, may form in several areas within the urinary tract. When they f Nephrolithiasis. Stones, or calculi, may form in several areas within the urinary tract. When they f
Gravitational Lensing of Quasars Gravitational Lensing of Quasars
Observable Universe Before and After Inflation Observable Universe Before and After Inflation
Water (Its Volume Expansion Upon Freezing) Water (Its Volume Expansion Upon Freezing)
Expansion Ratios for Liquefied Compressed Gases Expansion Ratios for Liquefied Compressed Gases
Video: Fractures Animation

For a complete list of videos, visit our video library