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

Author Question: In the context of the Doppler effect, which of the following is a difference between a blueshift and ... (Read 27 times)

Metfan725

  • Hero Member
  • *****
  • Posts: 552
on: Jul 27, 2018
In the context of the Doppler effect, which of the following is a difference between a blueshift and a redshift?
 
  A) Unlike a redshift, a blueshift is caused by a velocity of recession.
  B) Unlike a blueshift, a redshift is based on the Hubble's law.
  C) Unlike a redshift, a blueshift is a shift toward shorter wavelengths.
  D) Unlike a blueshift, a redshift is based on a light source moving closer to an object.

Question 2

Which of the following statements best describes one astronomical unit (AU)?
 
  A) It is the distance from Earth to the Moon.
  B) It is equal to the average distance of the Sun from Earth.
  C) It is the distance that light travels in a vacuum in one year.
  D) It is the average distance between two stars in the Milky Way.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ergserg

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


Metfan725

  • Member
  • Posts: 552
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

tuate

  • Member
  • Posts: 332
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

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?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Difference between.... Difference between....
Effect of the activation energy barrier. Effect of the activation energy barrier.
A difference in oxygen content between the atmosphere and the exhaust gases enables an O2S to ... A difference in oxygen content between the atmosphere and the exhaust gases enables an O2S to ...
Effect of a Tax Effect of a Tax
World Regions in Global Context: Peoples, Places, and Environments World Regions in Global Context: Peoples, Places, and Environments
The Effect of Multiple Contributing Genes on Phenotypic Variation The Effect of Multiple Contributing Genes on Phenotypic Variation
Video: Inflammatory response Animation

For a complete list of videos, visit our video library