« 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 70 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?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Multiple Planets Multiple Planets
Radial and Transverse Velocities of a Star Radial and Transverse Velocities of a Star
Location of the Planets Relative to the Sun Location of the Planets Relative to the Sun
4.1 Age changes in total IQ based on cross-sectional data (lower line) and longitudinal data ... 4.1 Age changes in total IQ based on cross-sectional data (lower line) and longitudinal data ...
Relative Sizes of Dwarf Planets and Earth Relative Sizes of Dwarf Planets and Earth
Video: Calvin Cycle Explained!

For a complete list of videos, visit our video library