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

Author Question: The Doppler effect can reveal the rotation speed of a star by the splitting of the spectral lines. ... (Read 96 times)

K@

  • Hero Member
  • *****
  • Posts: 608
on: Jul 27, 2018
The Doppler effect can reveal the rotation speed of a star by the splitting of the spectral lines.
 
  Indicate whether the statement is true or false

Question 2

If the Sun-Earth separation were 10 AU instead of 1 AU, what would the ux of sunlight (energy per second per square meter) be at the Earth, compared to what it is today?
 
  A) 100 times more
  B) 10 times less
  C) about 3.16 (or the square root of 10 ) times less
  D) 10 times more
  E) 100 times less


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ally

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 27, 2018
Answer to Question 1

FALSE

Answer to Question 2

E


K@

  • Member
  • Posts: 608
Reply 2 on: Jul 27, 2018
Excellent

amandalm

  • Member
  • Posts: 306
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

This diagram shows a cross-section of a solar-type star. This diagram shows a cross-section of a solar-type star.
Summation of Heart Sounds, Wide Splitting of S2 Summation of Heart Sounds, Wide Splitting of S2
First-Pass Effect: Oral Drug Is Metabolized to an Inactive Form Before It Has an Opportunity to ... First-Pass Effect: Oral Drug Is Metabolized to an Inactive Form Before It Has an Opportunity to ...
After adjusting the valves that are closed, rotate the engine one full rotation until the engine ... After adjusting the valves that are closed, rotate the engine one full rotation until the engine ...
An Enzyme in Action Enzymes speed up reactions in your body An Enzyme in Action Enzymes speed up reactions in your body
The Effect of Using PPP on Comparisons of GDP The Effect of Using PPP on Comparisons of GDP
Video: Hydrogen bonds - role in the body

For a complete list of videos, visit our video library