« previous next »

Author Question: A star with planets orbiting in a plane that is not face-on to our line-of-sight exhibit a Doppler ... (Read 98 times)

@Brianna17

  • Hero Member
  • *****
  • Posts: 550
on: Jul 27, 2018
A star with planets orbiting in a plane that is not face-on to our line-of-sight exhibit a Doppler effect due to ________.
 
  A) the light emitted by the moving planets
  B) the light reflecting from the moving planets
  C) the planet gravitationally tugging the star
  D) the planet's mass shifting the path of light from the star

Question 2

We are confident that rising CO2 levels are caused by the burning of fossil fuels because atmospheric CO2 now has the same carbon isotope ratio as fossil fuels.
 
  Indicate whether the statement is true or false


Andromeda18

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Artist's conception of the birth of a star within a dense molecular cloud. Artist's conception of the birth of a star within a dense molecular cloud.
Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror
Center of Mass of a Binary Star System Center of Mass of a Binary Star System
Neanderthal Expressive Culture: “Face” in Worked Flint Neanderthal Expressive Culture: “Face” in Worked Flint
Black Hole and Companion Star Black Hole and Companion Star
Video: Component of feedback systems & Communication and regulation of body systems

For a complete list of videos, visit our video library