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 68 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
Gracias!

scottmt

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Humanmade pollutants may be driving the expansion of the Earth’s tropical belt seen Humanmade pollutants may be driving the expansion of the Earth’s tropical belt seen
Structure of the Early Universe Structure of the Early Universe
Fill finish processes - Inoculum Preparation & Expansion Fill finish processes - Inoculum Preparation & Expansion
Expansion Ratios for Liquefied Compressed Gases Expansion Ratios for Liquefied Compressed Gases
Palpation for respiratory expansion: Anterior view Palpation for respiratory expansion: Anterior view
The Universe According to Ptolemy, Second Century A.D. The Universe According to Ptolemy, Second Century A.D.
Video: Gas exchange - partial pressure, locations, external and internal respiration

For a complete list of videos, visit our video library