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 99 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

billybob123

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

An example of the founder effect with subsequent adaptive radiation. An example of the founder effect with subsequent adaptive radiation.
Effect of a Black Hole’s Tidal Force on Infalling Matter Effect of a Black Hole’s Tidal Force on Infalling Matter
Women who are monozygotic twins and have the same genes are more similar in their marital happiness Women who are monozygotic twins and have the same genes are more similar in their marital happiness
Effect of Atmospheric Stability Effect of Atmospheric Stability
Effect-log dose curve for the analgesic action of three narcotics and aspirin. Hydromorphone is more ... Effect-log dose curve for the analgesic action of three narcotics and aspirin. Hydromorphone is more ...
The enhanced greenhouse effect The enhanced greenhouse effect
Video: Molecules, Membrane Permeability and Structure

For a complete list of videos, visit our video library