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 26 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
Wow, this really help

Alyson.hiatt@yahoo.com

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

The greenhouse effect. The greenhouse effect.
Drugs and their effect table Drugs and their effect table
Effect of Knockout of the α5 Ach Receptor Gene in Mice Effect of Knockout of the α5 Ach Receptor Gene in Mice
Difference between chromosomes, chromatids, and chromatins Difference between chromosomes, chromatids, and chromatins
Region’s Culture in International Context Region’s Culture in International Context
Difference spectra of mitochondria Difference spectra of mitochondria
Video: Import of Dietary Glucose from Intestines to Bloodstream

For a complete list of videos, visit our video library